Map of the plebiscite areas Pink = Germany Green = Poland Lilac = Czechoslovakia (including, without plebiscite, Hlučín) Pale green = to Poland following plebiscite Orange = remaining in Germany following plebiscite
The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty and carried out on 20 March 1921 to determine ownership of the province of Upper Silesia between Weimar Germany and Poland.[1] The region was ethnically mixed with both Germans and Poles; according to prewar statistics, ethnic Poles formed 60 percent of the population.[2] Under the previous rule by the German Empire, Poles claimed they had faced discrimination, making them effectively second class citizens.[3][4][5] The period of the plebiscite campaign and inter-Allied occupation was marked by violence. There were three Polish uprisings, and German volunteer paramilitary units came to the region as well.
The area was policed by French, British, and Italian troops, and overseen by an Inter-Allied Commission. The Allies planned a partition of the region, but a Polish insurgency took control of over half the area. The Germans responded with volunteer paramilitary units from all over Germany, which fought the Polish units. In the end, after renewed Allied military intervention, the final position of the opposing forces became, roughly, the new border. The decision was handed over to the League of Nations, which confirmed this border, and Poland received roughly one third of the plebiscite zone by area, including the greater part of the industrial region.[6]
After the referendum, on 20 October 1921, a conference of ambassadors in Paris decided to divide the region. Consequently, the German-Polish Accord on East Silesia (Geneva Convention), a minority treaty, was concluded on 15 May 1922 which dealt with the constitutional and legal future of Upper Silesia that had partly become Polish territory.
Ethnolinguistic structure before the plebiscite
Language situation in Silesia in 1905-06
The earliest exact census figures on ethnolinguistic or national structure (Nationalverschiedenheit) of the Prussian part of Upper Silesia, come from 1819. Polish immigration from Galicia, Congress Poland and Prussian provinces into Upper Silesia during the 19th century was a major factor in their increasing numbers. The last Prussian general census figures available are from 1910 (if not including the 1911 census of school children – Sprachzählung unter den Schulkindern – which revealed a higher percent of Polish-speakers among school children than the 1910 census among the general populace). Figures (Table 1.) show that large demographic changes took place between 1819 and 1910, with the region's total population quadrupling, the percent of Germans increasing significantly, while Polish-speakers maintained their steady increasing numbers. Also the total land area in which Polish was spoken, as well as the land area in which it was spoken, declined between 1790 and 1890.[7] Polish authors before 1918 estimated the number of Poles in Prussian Upper Silesia as slightly higher than according to official German censuses.[8] The three western districts of Falkenberg (Niemodlin), Grottkau (Grodków) and Neisse (Nysa), though part of Regierungsbezirk Oppeln, were not included in the plebiscite area, as they were almost entirely populated by Germans.
Table 1. Numbers of Polish, German and other inhabitants (Regierungsbezirk Oppeln)[9][10][11]
Members of the Polish Plebiscite CommitteeA bilingual Polish Propaganda poster: Vote for Poland and you will be freeA German Propaganda poster: Prayer of the Homeland: Upper Silesia remain German!Upper Silesia Plebiscite 1921 cast iron campaign medal of the pro- German side. The obverse shows the Bavarian born Saint Hedwig of Silesia.The reverse of this medal states in German and Polish the German origin of the Upper Silesian Christianisation.
The Paris Peace Conference at the end of World War I placed some formerly German territory in neighboring countries, some of which had not existed at the beginning of the war. In the case of the new Polish state, the Treaty of Versailles established some 54,000 square kilometers of formerly German territory as part of newly independent Poland. Many of these areas were ethnically mixed. In three of these ethnically mixed areas on the new German-Polish border, however, the Allied leaders provided for border plebiscites or referendums. The areas would be occupied by Allied forces and governed in some degree by Allied commissions. The most significant of these plebiscites was the one in Upper Silesia, since the region was a principal industrial center. The most important economic asset was the enormous coal-mining industry and its ancillary businesses, but the area yielded iron, zinc, and lead as well. The "Industrial Triangle" on the eastern side of the plebiscite zone–between the cities of Beuthen (Bytom), Kattowitz (Katowice), and Gleiwitz (Gliwice) was the heart of this large industrial complex. The Upper Silesia plebiscite was therefore a plebiscite for self-determination of Upper Silesia required by the Treaty of Versailles. Both Germany and Poland valued this region not only for reasons of national feeling, but for its economic importance as well.
The area was occupied by British, French, and Italian forces, and an Interallied Committee headed by a French general, Henri Le Rond. The plebiscite was set for 20 March 1921. Both Poles and Germans were allowed to organize campaigns. Each side developed secret paramilitary forces–both financed from the opposing capitals, Warsaw and Berlin. The major figure of the campaign was Wojciech Korfanty, a pro-Polish politician.
The Poles carried out two uprisings during the campaign, in August 1919 and August 1920. The Allies restored order in each case, but the Polish insurrectionists clashed with German "volunteers," the Freikorps.[13]
A feature of the plebiscite campaign was the growing prominence of a strong autonomist movement, the most visible branch of which was the Bund der Oberschlesier/Związek Górnoślązaków. This organization attempted to gain promises of autonomy from both states and possible future independence for Upper Silesia.[14]
There were 1,186,758 votes cast in an area inhabited by 2,073,663 people.[15] It resulted in 717,122 votes being cast for Germany and 483,514 for Poland. The towns and most of the villages in the plebiscite territory gave German majorities. However, the districts of Pless (Pszczyna) and Rybnik in the southeast, as well as Tarnowitz (Tarnowskie Góry) in the east and Tost-Gleiwitz (Gliwice) in the interior showed considerable Polish majorities, while in Lublinitz (Lubliniec) and Groß Strehlitz (Strzelce Opolskie) the votes cast on either side were practically equal. All the districts of the industrial zone in a narrower sense – Beuthen (Bytom), Hindenburg (Zabrze), Kattowitz (Katowice), and Königshütte (Chorzów) – had slight German majorities, though in Beuthen and Kattowitz this was due entirely to the town vote (four-fifths in Kattowitz compared to an overall 60%).[16] Many country communes of Upper Silesia had given Polish majorities. Overall, however, the Germans won the vote by a measure of 59.4% to 40.6%.[17] The Interallied Commission deliberated, but the British proposed a more easterly border than the French, which would have given much less of the Industrial Triangle to Poland.
A crowd awaits the plebiscite results in Oppeln (Opole)1920 special passport issued to those living in the region during the Upper Silesian plebiscite.
In late April 1921, when pro-Polish forces began to fear that the region would be partitioned according to the British plan, elements on the Polish side announced a popular uprising. Korfanty was the leading figure of the uprising, but he had much support in Upper Silesia as well as support from the Polish government in Warsaw. Korfanty called for a popular armed uprising whose aim was to maximize the territory Poland would receive in the partition. German volunteers rushed to meet this uprising, and fighting on a large scale took place in the late spring and early summer of 1921. Germanophone spokesmen and German officials complained that the French units of the Upper Silesian army of occupation were favoring the insurrection by refusing to put down their violent activities or restore order.
Twelve days after the start of the uprising, Wojciech Korfanty offered to take his Upper Silesian forces behind a line of demarcation, on condition that the released territory would not be occupied by German forces, but by Allied troops. On 1 July 1921 British troops returned to Upper Silesia to help French forces occupy this area. Simultaneously with these events, the Interallied Commission pronounced a general amnesty for the illegal actions committed during the recent violence, with the exception of acts of revenge and cruelty. The German defense force was finally withdrawn.
Because the Allied Supreme Council was unable to come to an agreement on the partition of the Upper Silesian territory on the basis of the confusing plebiscite results, a solution was found by turning the question over to the Council of the League of Nations. Agreements between the Germans and Poles in Upper Silesia and appeals issued by both sides, as well as the dispatch of six battalions of Allied troops and the disbandment of the local guards, contributed markedly to the pacification of the district. On the basis of the reports of a League commission and those of its experts, the Council awarded the greater part of the Upper Silesian industrial district to Poland. Poland obtained almost exactly half of the 1,950,000 inhabitants, viz., 965,000, but not quite a third of the territory, i.e., only 3,214.26km2 (1,255mi2) out of 10,950.89km2 (4,265mi2) but more than 80% of the heavy industry of the region.[18]
The German and Polish governments, under a League of Nations recommendation, agreed to enforce protections of minority interests that would last for 15 years. Special measures were threatened in case either of the two states should refuse to participate in the drawing up of such regulations, or to accept them subsequently. In the event, the German minority remaining on the Polish side of the border suffered considerable discrimination in the subsequent decades.[19]
The Polish Government, convinced by the economic and political power of the region and by the autonomist movement of the plebiscite campaign, decided to give Upper Silesia considerable autonomy with a Silesian Parliament as a constituency and the Silesian Voivodship Council as the executive body. On the German side the new Prussian province of Upper Silesia (Oberschlesien) with regional government in Oppeln was formed, likewise with special autonomy.
Arrival of the train with migrant workers from western Germany in Neustadt (Prudnik)
According to Article 88 of the Treaty of Versailles all inhabitants of the plebiscite district older than 20 years of age and those who had "been expelled by the German authorities and have not retained their domicile there" were entitled to return to vote.
This stipulation of the Treaty of Versailles allowed the participation of thousands of Upper Silesian migrant workers from western Germany (Ruhrpolen). Hugo Service regards the transport of these eligible voters to Silesia, organized by German authorities, "a cynical act aimed at boosting the German vote", in his opinion it was one of the reasons for the overall result. As Service writes, despite the fact that almost 60% of Upper Silesians voted for their region to remain part of Germany it would be dubious to claim that most of them were ethnically German or regarded themselves as Germans. Voting for Germany in the 1921 vote and regarding oneself as German were two different things. People had diverse, often very pragmatic reasons for voting for Germany, which usually had little to do with a person regarding him or herself as having a German ethnonational identity.[39][40]
According to Robert Machray, 192,408 of all plebiscite voters were migrants, making up 16% of the total electorate. Among them, 94.7% voted for Germany.[41] There were cases of votes being cast in the name of already deceased persons who died outside of Upper Silesia, and since their deaths were registered" in comparatively inaccessible German registration departments in Central Germany", it was often difficult to detect voter fraud.[41] Additionally, "the general conditions in which the plebiscite was held by no means created an atmosphere for a free and independent vote" – the administration was staffed by ethnic Germans only, and no Polish schools were allowed, limiting Polish cultural life to churches and private organisations.[41] The Polish population of Silesia overwhelmingly consisted of poor workers and small farmers, who owned no real property and were highly dependent on the German authorities to provide appropriate instrastructure. All offices and every industry was controlled by the German population, who exerted an overwhelming pressure on Poles to vote for Germany, and they "frequently exceeded their lawful powers and supported many forms of anti-Polish activities".[41]
Demobilised German officers joined the Freikorps and terrorised the Polish population,; Machray states that "Upper Silesia was the scene of incessant confusion, sanguinary struggles with armed German attacks on Polish meetings and on the terrorized and defenceless Polish population, especially in the rural areas."[41]Emil Julius Gumbel investigated and condemned the cases of widespread intimidation and murders by Freikorps and Selbstschutz divisions, remarking: “a denunciation, a suspicion without foundation under the given circumstances, was sufficient. The man concerned is fetched from his lodgings and instantly shot ... all this only because the man was a Pole or was considered a Pole and worked for union with Poland.”[41][42] Machray establishes that many Poles were either prevented from voting or were intimidated into voting for Germany, noting that in provinces such as Kozle and Olesno, a minority of voters voted for Poland, despite the fact that these areas were overwhelmingly Polish according to the 1910 census, with Poles making up 75% of the Kozle and 81% of the Olesno provinces, respectively. Machray concludes that given the aggressive anti-Polish campaign conducted by local authorities and German volunteers, "the results were far from being an objective reflection of the true desires of the oppressed people".[41] The constant ethnic tensions and attacks on Polish voters resulted in the Silesian Uprisings.[43]
Comparison of district demographics with voting behavior
The following table compares the percentage of German speakers (excluding bilinguals) as reported in the 1910 census in each district, with the pro-German vote share registered in the respective district. In almost all districts, the percentage of pro-German votes exceeded the percentage of those who identified as German by almost 25% on average, suggesting that many non-Germans voted in favour of Germany.[44]
The above-mentioned population percentages refer to the entire area of the respective districts, however in a few cases, only parts of a district were included in the plebiscite area:
1 Only a small part of the Namslau district was part of the plebiscite area; 1905 census data was used for this district
2 The predominantly German south-western part of the Neustadt district (including the town of Neustadt) was not part of the plebiscite area
3 The southern part of the Ratibor district (Hlučín Region) was ceded to Czechoslovakia in 1919 and hence was not included in the plebiscite area
↑ After World War I Poland received a small part of historical Lower Silesia, with majority ethnic Polish population as of year 1918. That area included parts of counties Syców (German: Polnisch Wartenberg), Namysłów, Góra and Milicz. In total around 526 square kilometers with around 30 thousand[46][49] inhabitants, including the city of Rychtal. Too small to form its own voivodeship, the area was incorporated to Poznań Voivodeship (former Province of Posen).
↑ Interwar Silesian Voivodeship was formed from Prussian East Upper Silesia (area 3,225 km2) and Polish part of Austrian Cieszyn Silesia (1,010 km2), in total 4,235 km2. After the annexation of Trans-Olza from Czechoslovakia in 1938, it increased to 5,122 km2.[50] Silesian Voivodeship's capital was Katowice.
Related Research Articles
Silesia is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately 40,000 km2 (15,400 sq mi), and the population is estimated at 8,000,000. Silesia is split into two main subregions, Lower Silesia in the west and Upper Silesia in the east. Silesia has a diverse culture, including architecture, costumes, cuisine, traditions, and the Silesian language. The largest city of the region is Wrocław.
Upper Silesia is the southeastern part of the historical and geographical region of Silesia, located today mostly in Poland, with small parts in the Czech Republic. The area is predominantly known for its heavy industry.
The Province of Silesia was a province of Prussia from 1815 to 1919. The Silesia region was part of the Prussian realm since 1742 and established as an official province in 1815, then became part of the German Empire in 1871. In 1919, as part of the Free State of Prussia within Weimar Germany, Silesia was divided into the provinces of Upper Silesia and Lower Silesia. Silesia was reunified briefly from 1 April 1938 to 27 January 1941 as a province of Nazi Germany before being divided back into Upper Silesia and Lower Silesia.
The Silesian Uprisings were a series of three uprisings from August 1919 to July 1921 in Upper Silesia, which was part of the Weimar Republic at the time. Ethnic Polish and Polish-Silesian insurrectionists, seeking to have the area transferred to the newly founded Polish Republic, fought German police and paramilitary forces which sought to keep the area part of the new German state founded after World War I. Following the conflict, the area was divided between the two countries. The rebellions have subsequently been commemorated in modern Poland as an example of Polish nationalism. Despite central government involvement in the conflict, Polish historiography renders the events as uprisings reflecting the will of ordinary Upper Silesians rather than a war.
Wojciech Korfanty was a Polish activist, journalist and politician, who served as a member of the German parliaments, the Reichstag and the Prussian Landtag, and later, in the Polish Sejm. Briefly, he also was a paramilitary leader, known for organizing the Polish Silesian Uprisings in Upper Silesia, which after World War I was contested by Germany and Poland. Korfanty fought to protect Poles from discrimination and the policies of Germanisation in Upper Silesia before the war and sought to join Silesia to Poland after Poland regained its independence.
The Silesian Voivodeship was an autonomous province (voivodeship) of the Second Polish Republic. The bulk of its territory had formerly belonged to the German/Prussian Province of Silesia and became part of the newly reborn Poland as a result of the 1921 Upper Silesia plebiscite, the Geneva Conventions, three Upper Silesian Uprisings, and the eventual partition of Upper Silesia between Poland, Germany and Czechoslovakia. The remainder had been the easternmost portion of Austrian Silesia which was partitioned between Poland and Czechoslovakia following the collapse of Austria-Hungary, the Polish–Czechoslovak War and the Spa Conference of 1920. The capital of the voivodeship was Katowice.
Silesians is both an ethnic as well as a geographical term for the inhabitants of Silesia, a historical region in Central Europe divided by the current national boundaries of Poland, Germany, and Czechia. Historically, the region of Silesia has been inhabited by Polish, Czechs, and by Germans. Therefore, the term Silesian can refer to anyone of these ethnic groups. However, in 1945, great demographic changes occurred in the region as a result of the Potsdam Agreement leaving most of the region ethnically Polish and/or Slavic Upper Silesian. The Silesian language is one of the regional languages used in Poland alongside Polish as well as Kashubian and is structured with in a SVO format, however the grammar is quite often different to that of the other Lechitic languages. The names of Silesia in different languages most likely share their etymology—Polish: ; German: Schlesienpronounced[ˈʃleːzi̯ən] ; Czech: Slezsko ; Lower Silesian: Schläsing; Silesian: Ślōnsk ; Lower Sorbian: Šlazyńska ; Upper Sorbian: Šleska ; Latin, Spanish and English: Silesia; French: Silésie; Dutch: Silezië; Italian: Slesia; Slovak: Sliezsko; Kashubian: Sląsk. The names all relate to the name of a river and mountain in mid-southern Silesia, which served as a place of cult for pagans before Christianization.
The Province of Upper Silesia was a province of the Free State of Prussia from 1919 to 1945. It comprised much of the region of Upper Silesia and was eventually divided into two government regions called Kattowitz (1939–1945), and Oppeln (1819–1945). The provincial capital was Oppeln (1919–1938) and Kattowitz (1941–1945), while other major towns included Beuthen, Gleiwitz, Hindenburg O.S., Neiße, Ratibor and Auschwitz, added in 1941. Between 1938 and 1941 it was reunited with Lower Silesia as the Province of Silesia.
In the second half of the 2nd millennium B.C., Silesia belonged to the Lusatian culture. About 500 BC Scyths arrived, and later Celts in the South and Southwest. During the 1st century BC Silingi and other Germanic people settled in Silesia. For this period we have written reports of antique authors who included the area. Slavs arrived in this territory around the 6th century. The first known states in Silesia were those of Greater Moravia and Bohemia. In the 10th century, Mieszko I incorporated Silesia into Civitas Schinesghe, a Polish state. It remained part of Poland until the Fragmentation of Poland. Afterwards it was divided between Piast dukes, descendants of Władysław II the Exile, High Duke of Poland.
Tarnowskie Góry is a town in Silesia, southern Poland, located in the Silesian Highlands near Katowice. Located in the north of the Metropolis GZM, a megalopolis, the greater Katowice-Ostrava metropolitan area populated by about 5,294,000 people. The population of the town is 61,842 (2021) making it one of the biggest towns in Poland. As of 1999, it is part of Silesian Voivodeship, previously Katowice Voivodeship.
The history of Katowice spans over 600 years.
The East Prussian plebiscite, also known as the Allenstein and Marienwerder plebiscite or Warmia, Masuria and Powiśle plebiscite, was a plebiscite for the self-determination of the regions of southern Warmia (Ermland), Masuria and Powiśle, which had been in parts of the East Prussian Government Region of Allenstein and of the West Prussian Government Region of Marienwerder in accordance with Articles 94 to 97 of the Treaty of Versailles.
The Battle of (the) Annaberg was the biggest battle of the Silesian Uprisings. The battle, which took place between May 21–26, 1921, was fought at the Annaberg, a strategic hill near the village of Annaberg O.S., located southeast of Oppeln (Opole) in Upper Silesia, Weimar Germany. After the hill had been captured by irregular Polish-Silesian units in the Third Silesian Uprising, German Freikorps pushed the Polish forces back. The final border was determined by political and diplomatic efforts.
SC Diana Kattowitz was an ethnically German association football club playing in what was Kattowitz, Upper Silesia in Germany during the inter-war period. Established 13 February 1905, it was one of a small number of clubs that made up the Kattowitzer Ballspiel-Verband alongside Preussen Kattowitz and Germania Kattowitz. With FC 1903 Ratibor, these clubs formed the Upper Silesian division of the Southeast German Football Federation in 1906.
Dobieszowice is a village in the administrative district of Gmina Walce, within Krapkowice County, Opole Voivodeship, in south-western Poland. It lies approximately 2 kilometres (1 mi) south-east of Walce, 13 km (8 mi) south of Krapkowice, and 35 km (22 mi) south of the regional capital Opole. Historically located in Upper Silesia, in the Prudnik Land.
East Upper Silesia is the easternmost extremity of Silesia, the eastern part of the Upper Silesian region around the city of Katowice. The term is used primarily to denote those areas that became part of the Second Polish Republic on 20 June 1922, as a consequence of the post-World War I Treaty of Versailles. Prior to World War II, the Second Polish Republic administered the area as Autonomous Silesian Voivodeship. East Upper Silesia was also known as Polish (Upper) Silesia, and the German (Upper) Silesia was known as West Upper Silesia.
The Union of Upper Silesians was an early 20th-century movement for the independence of Upper Silesia. The movement had its genesis during the revolutions of 1848. Allied with the Silesian People's Party, it dissolved in 1924 but has influenced the present-day Silesian Autonomy Movement.
The Silesian People’s Party was a political organization in Cieszyn Silesia that existed from 1909 to 1938 in Austrian Silesia, which later became international plebiscite territory and finally part of Czechoslovakia. The party included mainly Slavic people, who saw themselves as members of a Silesian nation. The party is seen as part of the Szlonzakian movement or Silesian Separatist Movement.
The German–Polish Convention on Upper Silesia, also known as the Geneva Convention of 15 May 1922, dealt with the constitutional and legal future of Upper Silesia, part of which became Polish territory after the 1921 Upper Silesia plebiscite.
Silesian independence is the political movement for Upper Silesia and Cieszyn Silesia to become a sovereign state.
References
↑ F. Gregory Campbell, "The Struggle for Upper Silesia, 1919–1922." Journal of Modern History 42.3 (1970): 361–385. onlineArchived 2022-02-01 at the Wayback Machine
↑ T. Hunt Tooley, "National Identity and Weimar Germany: Upper Silesia and the eastern border", University of Nebraska Press, 1997, p. 140
↑ "Racisms Made in Germany" edited by Wulf D. Hund, Wulf Dietmar Hund, Christian Koller, Moshe Zimmermann LIT Verlag Münster 2011 pp. 20, 21
↑ The Ideology of Kokugo: Nationalizing Language in Modern Japan Lee Yeounsuk p. 161 University of Hawaii Press 2009
↑ "The Immigrant Threat: The Integration of Old and New Migrants in Western Europe since 1850" (Studies of World Migrations) Leo Lucassen p. 61 University of Illinois Press. 2005
↑ T. Hunt Tooley, "German political violence and the border plebiscite in Upper Silesia, 1919–1921." Central European History 21.1 (1988): 56–98.
↑ T. Hunt Tooley, "German Political Violence and the Border Plebiscite in Upper Silesia, 1919–1921," Central European History 21 (March 1988): 56–98.
↑ Günter Doose, Die separatistische Bewegung in Oberschlesien nach dem ersten Weltkrieg. Wiesbaden: Harrassowitz, 1987
↑ herder-institut.de: (in German, French, and Polish) Results of the plebiscites in three Prussian districts conducted between July 1920 and March 1921, according to Polish sources. "Rocznik statystyki Rzeczypospolitej Polskiej"(PDF). Główny Urząd Statystyczny Rzeczypospolitej Polskiej GUS, Annual (Main Statistical Office of the Republic of Poland). 1920. Archived from the original(PDF) on 2013-07-22. Retrieved 2012-06-08. – Also in HTML[permanent dead link]
↑ Karl Junge, 1922, "Foreign and colonial history: Germany and Austria (Ch. III), Germany," in The Annual Register: A Review of Public Events at Home and Abroad, for the Year 1921 (M. Epstein, Ed.), pp. 177–186, esp. 179f, New York: Longmans, Green, and Co., see , accessed 6 July 2015.
↑ Richard Blanke, Orphans of Versailles: The Germans in Western Poland, 1918–1939. Lexington: The University of Kentucky Press, 1993.
↑ Tooley, T. Hunt. National Identity and Weimar Germany: Upper Silesia and the Eastern Border, 1918–1922 University of Nebraska Press 1997, ISBN978-0803244290, pp. 234–252
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Rodriguez, Allison Ann. "Silesia at the Crossroads: Defining Germans and Poles in Upper Silesia During the First World War and Plebiscite Period" (PhD Diss. The University of North Carolina at Chapel Hill, 2020) online.
Tooley, T. Hunt. "German political violence and the border plebiscite in Upper Silesia, 1919–1921." Central European History 21.1 (1988): 56–98.
Tooley, T. Hunt. National Identity and Weimar Germany: Upper Silesia and the Eastern Border, 1918-1922. (University of Nebraska Press, 1997).
Walters, F. P. A History of the League of Nations (Oxford University Press, 1952). online
Wilson, T. K. Frontiers of Violence: Conflict and Identity in Ulster and Upper Silesia 1918-1922 (Oxford University Press, 2010).
Die Volksabstimmung in Oberschlesien 1921: nationale Selbstbestimmung oder geopolitisches Machtspiel? (in German). Paderborn: Brill Schöningh. 2023. ISBN978-3-657-79535-2.
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