Columbia subject headings:
Communism--19th century--Bibliography--Catalogs.
Communism--History--Bibliography--Catalogs.
Institut français d'histoire sociale--Catalogs.
Harvard subject headings:
Communism--Bibliography--Catalogs.
Communism--History--19th century--Bibliography--Catalogs.
Communism--History--20th century--Bibliography--Catalogs.
Institut français d'histoire sociale--Catalogs.
Princeton subject headings:
Communism--19th century--Bibliography--Catalogs.
Communism--20th century--Bibliography--Catalogs.
Institut français d'histoire sociale--Catalogs.