Collection
- Albert Ellis papers, 1920-2007, bulk 1965-199714
- Albert Goldman papers, 1953-19941
- Albert Lasker papers, 1928-1952, bulk 1946-19524
- Albert and David Maysles papers, 1948-20181
- Albums of correspondence from Stanford White to his family, 1872-19051
- Aleksandr Aleksandrovich Kolchinskii Papers, 1912-19631
- Aleksandr Chesnokov Papers, 1926, undated1
- Aleksandr Gvidonovich Bol'to Papers, 1917-19701
- Aleksandr Ivanovich Chekan Papers, 1926-19381
- Aleksandr Ivanovich Makhonin Manuscript and Memoir, 19661
- Aleksandr Kazem-Bek Papers, 1898-20144
- Aleksandr Leonidovich Nosovich Papers, 1910-19681
- Aleksandra Aleksandrovna Ivanova-Soboleva Memoirs, 19581
- Aleksandra Iakovlevna Efimenko Letter, 19031
- Aleksandra Nikolaevna Belli Memoirs, 1957-19601
- Aleksei Alekseevich Ziablov Papers, 1883-19711
- Alexander Jackson Davis architectural drawings and papers, 1804-19001
- Alexander Smith papers, 1900-19191
- Alfred J. Kahn Papers, 1919-20095
- Alfred M. Bingham Manuscript, 19621