Educators' guide to free films.

Détails bibliographiques
Collectivité auteur:	Educators' Progress Service, Randolph, Wis
Autres auteurs:	Horkheimer, Mary (Foley) 1903-, Diffor, John Warren
Format:	Livre
Langue:	anglais
Publié:	Randolph, Wis. Educators' Progress Service n.d.
Sujets:	Moving-pictures > Catalogs. Moving-pictures in education.