Visual instruction manual and descriptive catalog of slides and films visual instruction exchange
By: E.N. Dietrich, B.A. Aughinbaugh.
Contributors: Aughinbaugh, B. A. 1885-
Publisher: F.J. Heer Printing Co.
Published: 1940
Place of publication: Columbus, Ohio
Language: eng
Number of pages: 241
Subjects: Visual education.; Motion pictures -- Catalogs.; Lantern slides -- Catalogs.
Notes: At head of title: State of Ohio, Department of Education.

On cover: Manual and descriptive catalog of slides and films ... Catalog 10.