Incoming Resources
- Congressional Quarterly Press, Washington, D.C., c1981
- Smithsonian Books, Distributed by Norton, Washington, D.C., New York, N.Y., c1982
- Regnery, Washington, D.C., 1994
- National Geographic Society, Washington, D.C., c1981
- Aperture, Children's Defense Fund, New York, N.Y., Washington, D.C., c1991
- The Society, Washington, D.C., c1988
- Acropolis Books, Washington, D.C., c1987
- National Geographic Society, Washington, D.C., c1979
- National Geographic Society, Washington, D.C., 1988
- Smithsonian Books, Orion Books, Washington, D.C., New York, ©1990
- National Geographic, Washington, D.C., c2010
- National Geographic Society, Washington, D.C., c1982