Columbia subject headings:
Communism--Italy--Bibliography--Catalogs.
Editore Luigi Mongini--Catalogs.
Publishers' catalogs--Italy.
Socialism--Italy--Bibliography--Catalogs.
Harvard subject headings:
Communism--Italy--Bibliography--Catalogs.
Editore Luigi Mongini--Catalogs.
Publishers' catalogs--Italy
Socialism--Italy--Bibliography--Catalogs.
Princeton subject headings:
Catalogs.
Communism--Italy--Bibliography--Catalogs.
Editore Luigi Mongini--Catalogs.
Publishers' catalogs--Italy.
Socialism--Italy--Bibliography--Catalogs.