A rate and circulation study of 348 class, trade, and technical publications
Subtitle: Prepared under the direction of the sub-committee on trade & industrial publications of the Industrial advertisers committee of the Association of national advertisers, inc
Published: 1940
Place of publication: New York, N.Y
Language: eng
Number of pages: 64
Notes: On cover: Seventh edition ... For a period of eleven years from January 1, 1929 to January 1, 1940.