Columbia subject headings:
Fédération de l'éducation nationale (France)--History--Congresses.
Teachers' unions--France--History--20th century--Congresses.
Teachers--Political activity--France--History--20th century--Congresses.
Harvard subject headings:
Fédération de l'éducation nationale (France)--History--Congresses.
Teachers' unions--France--History--20th century--Congresses.
Teachers--Political activity--France--History--20th century--Congresses.
Princeton subject headings: