Stallard, Mark (2004). Tales from the Jayhawk Gridiron. Sports Publishing. The anecdote featuring Bell's number 100, with a picture of Bell's number 100 jersey and straight-toe kicking shoe, can be found on pages 94–96.
profootballarchives.com
"BILL BELL". profootballarchives.com. Archived from the original on April 18, 2015. Retrieved April 18, 2015.