| 1982 |
Branches of Government: The Legislative Branch |
National Geographic Society (U.S.). Educational Services. |
800 Feet |
|
|
|
| 1981 |
National Parks: Playground or Paradise |
National Geographic Society (U.S.) Educational Services WQED |
2000 Feet |
|
|
|
|
A Swamp Ecosystem: National Geographic Society (U.S.) |
National Geographic Society (U.S.) National Geographic Society (U.S.). Educational Services |
|
16mm |
|
sound |
|
Dna: Laboratory Of Life: Pauling, Linus, 1901-1994 |
Pauling Linus 1901-1994 National Geographic Society (U.S.) National Geographic Society (U.S.). Educational Services |
|
16mm |
|
sound |
|
Egypt: Quest For Eternity: Marshall, E. G., 1914-1998 |
Marshall E. G. 1914-1998 National Geographic Society (U.S.) WQED (Television station: Pittsburgh Pa.) National Geographic Society (U.S.). Educational Services |
|
16mm |
|
sound |
|
Etosha: Place Of Dry Water: Wqed (Television Station: Pittsburgh, Pa.) |
WQED (Television station: Pittsburgh Pa.) National Geographic Society (U.S.) National Geographic Society (U.S.). Educational Services |
|
16mm |
|
sound |