Columbia subject headings:
Harvard subject headings:
Anarchism--Spain--History--20th century
Anarchism--Spain--Periodicals.
Feminism--Spain--History--20th century.
Mujeres libres (Serial)
Women anarchists--Spain--History--20th century.
Women anarchists--Spain--Periodicals.
Princeton subject headings:
Anarchism--Spain--History--20th century.
Feminism--Spain--History--20th century.
Mujeres libres (Serial)
Women anarchists--Spain--History--20th century.