Columbia subject headings:
Feminism--History--20th century.
Feminist theory--History--20th century.
Women and socialism--History--20th century.
Women--Political activity--History--20th century.
Harvard subject headings:
Feminism--History--20th century
Feminist theory--History--20th century.
Socialist feminism.
Women and socialism--History--20th century.
Women--Political activity--History--20th century.
Princeton subject headings:
Feminism--History--20th century.
Feminist theory--History--20th century.
Women and socialism--History--20th century.
Women--Political Activity--History--20th century.