Educators' guide to free films.

Dades bibliogràfiques
Autor corporatiu:	Educators' Progress Service, Randolph, Wis
Altres autors:	Horkheimer, Mary (Foley) 1903-, Diffor, John Warren
Format:	Llibre
Idioma:	English
Publicat:	Randolph, Wis. Educators' Progress Service n.d.
Matèries:	Moving-pictures > Catalogs. Moving-pictures in education.