Columbia subject headings:
Censorship--Germany--History--20th century.
German literature--20th century--Censorship.
Prohibited books--Germany--Bibliography--Catalogs.
Harvard subject headings:
Censorship--Germany--History--20th century.
German literature--20th century--Censorship.
Prohibited books--Germany--Bibliography--Catalogs.
Princeton subject headings:
German literature--20th century--Bibliography.
Prohibited books--Bibliography.