1966-1968 Box 9, Folder 2 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series I: Correspondence, 1950s-1990sSubseries I.3: Chronological Correspondence, 1955-1997
1966-1969 Box 94, Folder 14-15 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series VIII: Institutional Files, 1956-1990sSubseries VIII.2: Columbia University Files, 1966-1990sHistory department:General, 1966-1989
1967 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series V: Seminars, 1948-1983Subseries V.3: Russian Research Center, Harvard University, 1948-1970
1967-1968 school year: Rigby, T.H. "Party and state and the Soviet lieadership since 1964", 1967-1968 Box 85, Folder 1 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series V: Seminars, 1948-1983Subseries V.1: Columbia University Seminars, 1967-1986Communism:
1968 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series V: Seminars, 1948-1983Subseries V.3: Russian Research Center, Harvard University, 1948-1970
1968-1969 school year:, 1968-1969 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series V: Seminars, 1948-1983Subseries V.1: Columbia University Seminars, 1967-1986Slavic History and Culture:
1968-1969 school year: Minutes of the seminars #2-6 and #9, 1968-1969 Box 85, Folder 2 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series V: Seminars, 1948-1983Subseries V.1: Columbia University Seminars, 1967-1986Communism:
1968 May 20. Audiorecord of untitled seminar: see Series XIV: Audiomaterials--Subseries XIV.3: Seminars, Box 162, 1968 May Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series III: Menshevik Project (Inter-University Project on the History of Menshevik Movement), 1890s-1977Subseries III.3: Archive on the History of Menshevism, 1898-1972Sub-subseries III.3.6: Seminars, 1960-1968
1968 Untitled seminar of May 20, 1968 Box 162 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series XIV: Audio Materials, 1960sSubseries XIV.3: Seminars
1969 Box 9, Folder 3 Rare Book & Manuscript Library Leopold Haimson Papers, 1890s-1999Series I: Correspondence, 1950s-1990sSubseries I.3: Chronological Correspondence, 1955-1997