Columbia subject headings:
Harvard subject headings:
Equality--History--20th century.
Feminism--History--20th century
Vocational education--History--20th century.
Women--Employment--History--20th century.
Women--Vocational education--History--20th century.
Princeton subject headings:
Equality--History--20th century.
Feminism--History--20th century.
Vocational education--History--20th century.
Women--Employment--History--20th century.
Women--Vocational education--History--20th century.