Zubatovshchina v Minske by Ia.Gerts, S. Shvarts, New York, July-August 1962 Request Collection Context 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.3.3: Writings and Publications, 1950s-1972Schwarz, Solomon"Otvet IA.SH. Gertsu"
"Zubatovshchina v Minske: Neskol'ko zamechanii po povodu utverzhdenii S.M.Shvartsa," in Zubatovshchina v Minske by Ia.Gerts, S. Shvarts Request Collection Context 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.3.3: Writings and Publications, 1950s-1972Gerts, Jacob Sholem