Columbia subject headings:
Harvard subject headings:
Anarchism in literature--Congresses.
Erich-Mühsam-Preis--Congresses.
German literature--20th century--History and criticism--Congresses
Germany--History--Revolution, 1918--Congresses.
Mühsam, Erich, 1878-1934--Criticism and interpretation--Congresses.
Princeton subject headings:
Germany--History--Revolution, 1918.
Mühsam, Erich, 1878-1934--Congresses.