Educators' guide to free films.

Bibliografiske detaljer
Institution som forfatter:	Educators' Progress Service, Randolph, Wis
Andre forfattere:	Horkheimer, Mary (Foley) 1903-, Diffor, John Warren
Format:	Bog
Sprog:	English
Udgivet:	Randolph, Wis. Educators' Progress Service n.d.
Fag:	Moving-pictures > Catalogs. Moving-pictures in education.