Collection A. Arthur Schiller papers, 1897-1977 Repository Columbia University: Rare Book & Manuscript Library
Collection Abbott Merkt and Company records, 1906-1994 Repository Columbia University: Avery Architecture and Fine Arts Library
Collection Abraham H. Sarasohn papers, 1902-1943 Repository Columbia University: Rare Book & Manuscript Library
Collection Abraham W. Geller architectural records and papers, 1915-1999, bulk 1940-1990s Repository Columbia University: Avery Architecture and Fine Arts Library
Collection Abram Saulovich Kagan Papers, 1909-1952 Online Repository Columbia University: Rare Book & Manuscript Library
Collection A. D. F. Hamlin architectural drawings and papers, 1835-1926 Repository Columbia University: Avery Architecture and Fine Arts Library
Collection Alan H. Kempner papers, 1809-1981 Repository Columbia University: Rare Book & Manuscript Library
Collection Albert Ulmann papers, 1888-1964 Repository Columbia University: Rare Book & Manuscript Library
Collection Aleksandr Aleksandrovich Kolchinskii Papers, 1912-1963 Repository Columbia University: Rare Book & Manuscript Library
Collection Aleksandr Aleksandrovich Obruchev Papers, 1914-1971 Repository Columbia University: Rare Book & Manuscript Library
