Free learning materials for classroom use
Subtitle: an annotated list of sources with suggestions for obtaining, evaluating, classifying, and using
By: by Guy Wagner and Edna Christophel.
Contributors: Christophel, Edna, joint author
Series: Education service publications
Publisher: Extension Service, State College of Iowa
Published: 1963
Place of publication: Cedar Falls
Language: eng
Number of pages: 62
Subjects: Free material; Teaching -- Aids and devices -- Catalogs