- Anarchism and anarchists (3)
- Anarchism and anarchists--Soviet Union (2)
- Bakunin, Mikhail Aleksandrovich, 1814-1876 (2)
- Anarchism and anarchists--Spain--History (1)
- Collective farms--Spain--History (1)
- Collectivism--History (1)
- Economics--Soviet Union--History (1)
- Kropotkin, Petr Alekseevich, kni︠a︡ź, 1842-1921 (1)
- Spain--History--Civil War, 1936-1939 (1)
- Syndicalism--Spain--History (1)