1. Percentage of sales invested in advertising in 1961-'62: for 272 separate product classifications Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1964-07-06 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15719 Journal Title: Advertising Age Journal Title Details: 35: 59 Notes: 1 p.