Incoming Resources
- Time-Life Books, Alexandria, VA, 1995
- ThinkFun Inc., Alexandria, VA, 2015
- PBS Home Video, Alexandria, VA, c2003
- Time-Life Books, Alexandria, VA, 1999
- PBS Distribution, Alexandria, VA
- PBS Distribution, Alexandria, VA, 2018
- Carnival Film & Television Limited, PBS Distribution, London, Alexandria, VA, ©2011
- PBS Distribution, Alexandria, VA, 2019
- PBS Home Video, Alexandria, VA, c2006