Columbia subject headings:
Avant-garde (Aesthetics)--Germany--Bibliography.
German literature--20th century--Bibliography.
German periodicals--Indexes.
Working class writings, German--Bibliography.
Harvard subject headings:
Avant-garde (Aesthetics)--Germany--Bibliography.
German literature--20th century--Bibliography
German periodicals--Indexes.
Working class writings, German--Bibliography.
Princeton subject headings:
Avant-garde (Aesthetics)--Germany--Bibliography.
German literature--20th century--Bibliography.
German periodicals--Indexes.
Working class writings, German--Bibliography.