Filmslides in the teaching of agriculture
By: C.H. Hanson
Series: Extension Service circular -- 95; Extension Service circular -- 95.
Publisher: U.S. Dept. of Agriculture, Extension Service
Published: 1929
Place of publication: Washington, D.C
Language: eng
Subjects: Filmstrips in education; Agriculture; Study and teaching; Audio-visual aids
Notes: "January 1929."