Incoming Resources
- Discovery Communications, Bethesda, MD, c1993
- RLJ Entertainment, Bethesda, MD, 2019
- Woodbine House, Bethesda, MD, 1996
- RLJ Entertainment, Bethesda, MD, 2016
- Discovery Channel Video, Bethesda, MD, c2003
- Acorn Media, Bethesda, MD, 1990
- Acorn Media, Bethesda, MD, c2000
- Acorn Media, distributed by RLJ Entertainment, Bethesda, MD, Place of publication not identified, 2013
- Woodbine House, Bethesda, MD, 2005
- Discovery Channel Video, Bethesda, MD, 2004, c2003
- Acorn Media, Bethesda, MD, 2001
- AGA Press, Bethesda, MD, c2010