Collection Douglas Putnam Haskell papers, 1866-1979-(bulk 1949-1964). Online Repository Columbia University: Avery Architecture and Fine Arts Library
Collection International Institute of Rural Reconstruction records, 1914-2018 Online Repository Columbia University: Rare Book & Manuscript Library
Collection Jacques Barzun papers, 1900-1999 Online Repository Columbia University: Rare Book & Manuscript Library
Collection Jacques Judah Lyons papers, undated, 1705-1885, 1908, 1911-1914, 1917-1919, 1933, 1950 Online Repository American Jewish Historical Society
Collection Paul Felix Lazarsfeld papers, 1930-1976 Online Repository Columbia University: Rare Book & Manuscript Library
Collection Richard Brick and Geri Ashur collection, 1968-2014, bulk 1975-2005 Online Repository Columbia University: Rare Book & Manuscript Library