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References
- ↑ Pratt, Verneur Edmund; Selling by Mail: Principles and Practice (1924) New York, NY; McGraw-Hill; 428 pages.
- ↑ Fisher, Clive; Hart Crane: A Life (2002) New Haven, CT; Yale University Press; 567 pages; ISBN 0-300-09061-7
- ↑ Streetscapes/102 Bedford Street; Turning Point for a Greenwich Village Landmark - New York Times
- ↑ Special Libraries: Official Journal of the Special Libraries Association volume 34, no. 4, April 1943
- ↑ Fire alarm – Patent 2999477
- ↑ Multicolor lighting apparatus – Patent 3388245