Columbia subject headings:
Federación Española de Trabajadores de la Enseñanza--History.
Teachers' unions--Spain--Navarre--History--20th century.
Teachers--Spain--Navarre--Biography.
Harvard subject headings:
Federación Española de Trabajadores de la Enseñanza--History.
Teachers' unions--Spain--Navarre--History--20th century.
Teachers--Spain--Navarre--Biography.
Princeton subject headings:
Education and state--Spain--Navarre--History--20th century.
Education--Political aspects--Spain--Navarre--History--20th century.
Federación Española de Trabajadores de la Enseñanza--Biography.
Federación Española de Trabajadores de la Enseñanza--History.
Teachers' unions--Spain--Navarre--History--20th century.
Teachers--Spain--Navarre--Biography.