Columbia subject headings:
Expressionism.
German drama--20th century--History and criticism.
Kaiser, Georg, 1878-1945--Criticism and interpretation.
Toller, Ernst, 1893-1939--Criticism and interpretation.
Harvard subject headings:
Expressionism
German drama--20th century--History and criticism.
Kaiser, Georg, 1878-1945--Criticism and interpretation.
Toller, Ernst, 1893-1939--Criticism and interpretation.
Princeton subject headings: