- Communism--Soviet Union (1)
- Peter I, Emperor of Russia, 1672-1725--Anecdotes (1)
- Russia--Kings and rulers--Biography--Anecdotes (1)
- Soviet Union--Description and travel (1)
- Soviet Union--Economic conditions--1917-1945 (1)
- Soviet Union--Foreign relations--United States (1)
- Soviet Union--History--Revolution, 1917-1921 (1)
- Soviet Union--Politics and government--1917-1936 (1)
- United States--Foreign relations--Soviet Union (1)
- 鉄道--シベリア (1)