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POPPER (SIR KARL R.) PAPERS - Speeches and writings, correspondence, notes, printed matter, sound recordings, and photographs relating to philosophy, the nature of knowledge, the philosophy of culture, the philosophy and methodology of science, and the philosophy of history and the social sciences.
OVERVIEW OF THE A. M. GURVICH WRITINGS - Study, written under the pseudonym F. Kh. Gamov, and newspaper articles, relating to the philosophy of history and to the history of the Soviet Union. Photocopy.