An Interview with Soupy Farnsworth. Film Fan Monthly, Jan 24, 1971

An Interview with Lewis Thompson. Animation Arts Monthly, July 1987, vol. 3, number 8

Radio transcript of a Farnsworth and Katz guest appearance. September 21, 1935

Bobby Katz's obituary. January 3, 1966

Soupy Farnsworth's obituary. April 15, 1978