Author/Creator
- Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library)650
- Library of Congress. Congressional Research Service572
- East View Information Services447
- Project Muse427
- Lenin, Vladimir Ilʹich, 1870-1924417
- ebrary, Inc402
- United States386
- Soviet Union324
- Trotsky, Leon, 1879-1940231
- Stalin, Joseph, 1878-1953206
- United States. Congress. Commission on Security and Cooperation in Europe188
- Institut istorii SSSR (Akademii︠a︡ nauk SSSR)180
- United States. Congress. Senate. Committee on Foreign Relations171
- American Council of Learned Societies162
- Institut gosudarstva i prava (Akademii︠a︡ nauk SSSR)158
- Project Muse. distributor146
- Riewert Tode Collection of German Student Movements and Counter-Culture146
- Russia143
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East141
- United States. Congress. House. Committee on Foreign Affairs128