1. Tests for measuring efficiency in advertising Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Davis, Oak (author / Advertising Manager, Nebraska Silo Company) Format: Journal article Publication Date: 1911-12 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C16645 Journal Title: Agricultural Advertising Journal Title Details: 23(8) : 59-62
2. Why do old papers fail to produce inquiries? Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Leith, S.E. (author) Format: Journal article Publication Date: 1918-08 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C16926 Journal Title: Agricultural Advertising Journal Title Details: 31(4) : 19-20
