Columbia subject headings:
Harvard subject headings:
Berlin (Germany)--History--1918-1945
Berlin (Germany)--Politics and government--20th century.
Revolutionaries--Germany--Berlin--History--20th century.
Revolutions--Germany--Berlin--History--20th century.
Student government--Germany--Berlin--History--20th century.
Women revolutionaries--Germany--Berlin--History--20th century.
Works councils--Germany--Berlin--History--20th century.
Princeton subject headings:
Berlin (Germany)--History--1918-1945.
Berlin (Germany)--Politics and government--20th century.
Revolutionaries--Germany--Berlin--History--20th century.
Revolutions--Germany--Berlin--History--20th century.
Student government--Germany--Berlin--History--20th century.
Women revolutionaries--Germany--Berlin--History--20th century.
Works councils--Germany--Berlin--History--20th century.