1- The Simpsons Handbook: Secret Tips from the Pros : Matt Groening, Harper Paperbacks (June 12, 2007) Yayınları: ISBN-10: 0061231290, ISBN-13: 978-0061231292
2-Exploring Character Design: Kevin Hedgpeth, Delmar Yayınları ISBN: 9781401862961
3-Living Lines Library