Collections
- Alfred Goldsborough Mayor Papers, 1878-19261
- Alfred Terhune Collection relating to Edward FitzGerald, 1841-19781
- Alice Beal Parsons Papers, 1916-19661
- Alice P. Green Papers, 1960-20011
- Alice Rogers Hager Papers, 1801-19681
- Allen Saunders Papers, 1938-19641
- Almeda C. Vickery Papers, 1908-19621
- Alpha Phi Omega, Phi Chapter, Collection, 1931-20151
- Alpheus Hyatt II Papers, 1854-19581
- Alvah Posen Papers, 1919-19591
- Alvin Johnson letters to Dannie Heineman, 1951-19611
- Alvin, Sylvia, Elisabeth and Bruce Small Family Papers, 1935-985, bulk 1938-19671
- American Association of Industrial Editors (AAIE) Records, 1939-19691
- American Association of University Women (AAUW), Syracuse Branch, Records, 1923-20111
- American Association of University Women, Buffalo Branch records, 1911-2018, bulk (bulk 1960-1999)1
- American Chemical Society, Western New York Section records, 1896-20051
- American Jewish Committee, Buffalo/Niagara Chapter records, 1977-2007, bulk 1985-20071
- American Locomotive Company (ALCO) Collection, circa 1940-19601
- American Locomotive Company (ALCO) Records, 1872-19691
- American Youth Congress Collection, 1937-19441