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The 30th Separate Company Armory, also known as the Elmira Armory, formerly located at 307 East Church Street in Elmira, New York, was built from 1886 to 1888. It was a contributing property of the Elmira Civic Historic District. The structure was designed by J. H. Pierce of the firm of Pierce & Bickford. Following decommissioning by the New York National Guard in the 1970s it was acquired by Chemung County and used as for offices and storage.
Henry C. Dudley (1813–1894), known also as Henry Dudley, was an English-born North American architect, known for his Gothic Revival churches. He was a founding member of the American Institute of Architects and designed a large number of churches, among them Saint Paul's Episcopal Cathedral in Syracuse, New York, built in 1884, and Trinity Church, completed in 1858.

The Elmira Civic Historic District is the area of downtown Elmira, New York where the governmental center developed in the town's early history. It includes the Chemung County Courthouse Complex, John Hazlett Office Building and the Arnot Art Museum/Icehouse, all on Lake Street. Among the contributing buildings on Church Street are the Richardson Romanesque style Armory Building, the Beaux Arts-style City Hall, designed by Pierce & Bickford, and the U. S. Post Office. Other buildings are on nearby Baldwin Street, Market Street and Carroll Street. The district was added to the National Register of Historic Places in 1980; four decades later its boundaries were revised.

St. Patrick's Parochial Residence-Convent and School is a historic Roman Catholic parochial residence, and school complex located at Elmira in Chemung County, New York. The structures are across from St. Patrick's Catholic Church.

Frank L. Packard was a prominent architect in Ohio. Many of his works were under the firm Yost & Packard, a company co-owned by Joseph W. Yost.

Robert W. Gibson, AIA, was an English-born American ecclesiastical architect active in late-nineteenth- and early-twentieth-century New York state. He designed several large Manhattan churches and a number of prominent residences and institutional buildings.

Leoni W. Robinson (1851-1923) was a leading architect in New Haven, Connecticut.

The John Brand Jr. House is a historic house located at 351 Maple Avenue in Elmira, Chemung County, New York.

Charles L. Thompson and associates is an architectural group that was established in Arkansas since the late 1800s. It is now known as Cromwell Architects Engineers, Inc.. This article is about Thompson and associates' work as part of one architectural group, and its predecessor and descendant firms, including under names Charles L. Thompson,Thompson & Harding,Sanders & Ginocchio, and Thompson, Sanders and Ginocchio.

Proudfoot & Bird was an American architectural firm that designed many buildings throughout the Midwest region of the United States. Originally established in 1882, it remains active through its several successors, and since 2017 has been known as BBS Architects | Engineers.

Frederick F. Faris (1870–1927) was a Wheeling, West Virginia-based architect.

Benjamin S. Deane (1790–1867) was an American master builder and architect in practice in Bangor, Maine, from c. 1832 to 1867.

Percival Lloyd (1872–1915) was an American architect in practice in Poughkeepsie, New York, from 1895 until 1915. A number of his works are listed on the United States National Register of Historic Places.

Wallace L. Dow (1844-1911), often known as W. L. Dow, was an architect of Sioux Falls, South Dakota. He has been referred to as the "Builder on the Prairie" and was "considered the premier architect of South Dakota in the late 19th century."

George G. Adams was an American architect from Lawrence, Massachusetts.
Jonas Sayre Van Duzer was an American creamery manufacturer and politician from New York.

H. Edwards Ficken (1852-1929) was an English American architect in practice in New York City.

Willard P. Adden (1868–1958) was an American architect in practice in Boston from 1905 until his retirement in the early 1940s.

Robert A. Ritterbush FAIA (1891–1980) was an American architect in practice in Bismarck, North Dakota, from 1920 until 1967.

Truman I. Lacey (1834–1914) was an American architect in practice in Binghamton, New York from 1872 until 1914.