1. Percent of sales invested in advertising in 1955 for 282 separate product classifications Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1958-07-21 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15721 Journal Title: Advertising Age Journal Title Details: 29: 30 Notes: 1 p.
2. Percent of sales invested in advertising in 1955 for 282 separate product classifications Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1958-01-13 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 122 Document Number: C15722 Journal Title: Advertising Age Journal Title Details: 29: 68 Notes: 1 p.
