1. Percentage of sales invested in advertising in 1965-'66: for 262 separate product classifications Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1968-11-04 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15715 Journal Title: Advertising Age Journal Title Details: 39: 77 Notes: 1 p.