Relates to revolutionary movements in Russia, especially the Partii͡a Sot͡sialistov-Revoli͡ut͡sionerov, the Russian Revolution and Civil War in Siberia, Russian émigré life in China and France, and Jewish and other ethnic groups in Russia. Includes the unpublished second volume of the memoirs of M. A. Krol', Stranitsy Moeĭ Zhizni (first volume published, New York, 1944).
Writings, correspondence, biographical data, and photographs, relating to the life of E. Breshko-Breshkovskai͡a. Includes drafts of the book by E. Breshko-Breshkovskai͡a, The Hidden Springs of the Russian Revolution (Stanford University Press, 1931); a biographical sketch of E. Breshko-Breshkovskai͡a by Aleksandr Kerenskiĭ; three original letters by E. Breshko-Breshkovskai͡a; and microfilm of letters from E. Breshko-Breshkovskai͡a to Irene Dietrich. Also available on microfilm (3 reels).
Correspondence, memoirs, and notes, relating to the Russian Revolution and political events in Russia and abroad. Correspondents include V. A. Maklakov, P. N. Mili͡ukov, Ekaterina Kuskova, Vera Figner and other leading Russian political figures.
Correspondence, writings, clippings, reports, and photographs, relating to Russian revolutionary movements and émigré life, Imperial Russian and Soviet agricultural and economic policies, labor movements, Menshevism, and political events in Russia.
Correspondence, writings, and clippings, relating to Russian and Soviet history, Russian revolutionists, Russian émigrés, and political conditions in the Soviet Union. Also available on microfilm (24 reels).
Memoirs, essays, correspondence, and printed matter, relating to the Menshevik and Social Revolutionary movements before 1917, Evno Azef and other Okhrana agents, and counterrevolutionary movements during the Russian Revolution. Also available on microfilm (2 reels).
Pamphlet, entitled K Studenchestvu : Zadachi Revoli͡ut͡sionnoĭ Molodezhi (1903); leaflet (co-authored with V. Bonch-Bruevich), entitled Usluzhlivyĭ Liberal; photocopy of the table of contents of Stat'i i Rechi o Sredneĭ Aziĭ Uzbekistane (co-authored with Joseph Stalin, 1940); and recordings of speeches, 1919-1920.