Collection Paul Felix Lazarsfeld papers, 1930-1976 Online Repository Columbia University: Rare Book & Manuscript Library
Collection Ralph L. Rusk papers, 1913-1956 Repository Columbia University: Rare Book & Manuscript Library
Collection Ralph S. Halford papers, 1936-1975 [bulk dates: 1940-1959] Repository Columbia University: Rare Book & Manuscript Library
Collection Raymond M. Weaver papers, 1920-1940 Repository Columbia University: Rare Book & Manuscript Library
Collection René Albrecht-Carrié papers, 1934-1978 Repository Columbia University: Rare Book & Manuscript Library
Collection Robert Branner papers, 1936-1973, bulk 1955-1973 Repository Columbia University: Rare Book & Manuscript Library
Collection Robert K. Merton papers, 1928-2003, bulk 1943-2001 Repository Columbia University: Rare Book & Manuscript Library
Collection Robert M. MacIver papers, 1930-1969 Repository Columbia University: Rare Book & Manuscript Library
Collection Robert Murray Haig papers, 1927-1949 Repository Columbia University: Rare Book & Manuscript Library
Collection Robert Staughton Lynd papers, 1933-1945, bulk 1933-1935 Repository Columbia University: Rare Book & Manuscript Library