1. Advertising humane horse collars: remarkable and spontaneous success of the Whipple Humane Horse Collar, making it necessary to double factory facilities Collection: Agricultural Communications Documentation Center (ACDC) Format: Journal article Publication Date: 1909-03 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C16379 Journal Title: Agricultural Advertising Journal Title Details: 20(5) : 426-429
