Four million inquiries from magazine advertising
By: by Harold J. Rudolph; with a foreword by George Gallup
Publisher: Columbia University Press
Published: 1936
Place of publication: New York
Language: eng
Number of pages: 101
Subjects: Advertising; American periodicals
Other titles: Magazine advertising.
Notes: Microfilm. New York, N.Y., Columbia University Libraries, 1994. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1994.