1. Everything old is new again Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Spangler, holly (author) Format: Commentary Publication Date: 2016-12 Published: USA: Penton Agriculture, St. Charles, Illinois. Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D07628 Journal Title: Prairie Farmer Journal Title Details: 188(12) : 22 Notes: Commentary in the 175th anniversary issue of Prairie Farmer.
2. Lincoln: a Prairie subscriber Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Tourte, Don (author / Vice President, Penton Agriculture) Format: Commentary Publication Date: 2016-12 Published: USA: Penton Agriculture, St. Charles, Illinois. Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D07617 Journal Title: Prairie Farmer Journal Title Details: 188(12) : 10 Notes: Commentary in the 175th anniversary issue of Prairie Farmer.
3. Prairie Farmer's "secret sauce" Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Wilson, Mike (author) Format: Commentary Publication Date: 2016-12 Published: USA: Penton Agriculture, St. Charles, Illinois. Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D07630 Journal Title: Prairie Farmer Journal Title Details: 188(12) : 24 Notes: Commentary in the 175th anniversary issue of Prairie Farmer.