Incoming Resources
- Guggenheim Productions, Inc., Washington, DC, 2004
- National Geographic Society, Washington, DC
- National Geographic, Washington, DC, c2012
- Hanley Wood, Washington, DC, c2005
- Tumbleweed Press, Distributed by National Book Network, Washington, DC, Lanham, MD, c1993
- Magination Press, Washington, DC, 2021
- National Geographic Society, Washington, DC, 2000