The following is a list of resources I used for researching the project and sourcing images, video, and music.

Books:
Walt in Wonderland, Russell Merritt & J.B. Kaufman
Disney's Art of Animation, Dave Thomas
The Hand Behind the Mouse, Leslie Iwerks

Video:
The Birds, Alfred Hitchcock
Mary Poppins 40th Anniversary Edition, Robert Stevenson (Special Features)
YouTube (Shorts for Steamboat Willie, Flip the Frog, Willie Whopper, ComiColor)

Web:
http://www.thegreat1930s.com/ubiwerks/
http://legends.disney.go.com/legends/detail?key=ub+iwerks
http://en.wikipedia.org/wiki/Ub_Iwerks
http://www.digitalmediafx.com/Features/ubiwerks.html
http://afilmla.blogspot.com/2009/02/steamboat-willie-exposure-sheet.html
http://www.michaelspornanimation.com/splog/index.php
http://artofdisney.canalblog.com/archives/2009/05/29/13894826.html
http://davelandweb.com/tomorrowland/
http://afilmla.blogspot.com/2008/07/walt-and-ub-sharing-patent.html