The papers comprise correspondence, documents, institutional files, writings, lectures, memoirs, research notes, photographs, third party materials, printed materials, periodicals, microfilms, audio material, and digital files accrued by historian and professor emeritus of Columbia University, Leopold H. Haimson, during his professional life.
(See also his correspondence of 1974-1977 Series III: Menshevik Project--Subseries III.1: Project records--Sub-subseries III.1.1: Correspondence--General--Mensheviks interviews correspondence, Box 15, Folder 14)
Correspondence, research materials, and personal papers of Marc Isaakovich Raeff (1926-2008), a Russian history scholar and Bakhmeteff Professor of Russian Studies at Columbia University.