1. Andrew Simonson Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1907-07 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C15812 Journal Title: Agricultural Advertising Journal Title Details: 17(1) : 40-42
2. Anent "zone" advertising Collection: Agricultural Communications Documentation Center (ACDC) Contributers: McVey, Hugh (author) Format: Journal article Publication Date: 1912-07 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C16803 Journal Title: Agricultural Advertising Journal Title Details: 24(3) : 34-35