Excerpts from published sources, documents, and notes (primarily in Russian), relating to the Ukrainian government, Russia, Siberia, and the Far Eastern Republic during the Russian Civil War in 1919, used by J. Bunyan as research material for his book, The Bolshevik Revolution, 1917-1918 (1934); drafts, notes, charts, and printed matter (primarily in English), relating to Soviet economic, administrative, agricultural, and industrial organization and planning, 1917-1963, used by J. Bunyan as research material for his book, The Origin of Forced Labor in the Soviet State, 1917-1921 (1967); and drafts of the latter book.