Columbia subject headings:
Feminism--Spain--20th century.
Feminism--Spain--21st century.
Zarzuela--Spain--History.
Harvard subject headings:
Feminism--Spain--20th century.
Feminism--Spain--21st century.
Zarzuela--Spain--History.
Princeton subject headings:
Feminism--Spain--History--20th century.
Feminism--Spain--History--21st century.
Zarzuela--Spain--History.