Gibson, Jon M.; McDonnell, Chris (2008). «First Gigs». Unfiltered: The Complete Ralph Bakshi. Universe Publishing. pp. 54. ISBN0-7893-1684-6.
Sito, Tom (2006). «Suits». Drawing the Line: The Untold Story of the Animation Unions from Bosko to Bart Simpson. University Press of Kentucky. p. 50. ISBN0-8131-2407-7.
Gibson, Jon M.; McDonnell, Chris (2008). «Fritz the Cat». Unfiltered: The Complete Ralph Bakshi. Universe Publishing. pp. 58; 62-63; 80-81. ISBN0-7893-1684-6.