Disney History Institute Podcast The Book of Hench -
Part 14: The Difficult Days of Mineral King and EPCOT
Marvin Davis (reference)
Walt Disney (reference)
Bob Foster (reference)
John Hench (subject)
Dick Irvine (reference)
George McGinnis (reference)
Todd James Pierce (author)
Joe Potter (reference)
Card Walker (reference)
Walt Disney (reference)
Bob Foster (reference)
John Hench (subject)
Dick Irvine (reference)
George McGinnis (reference)
Todd James Pierce (author)
Joe Potter (reference)
Card Walker (reference)
Misc documents 
U.S. Dept. of Transportation Assessment of the WEDway Peoplemover System at Walt Disney World
final report / SRI International