Books
- Energy. , with Mitchell Wilson
- LIFE in Space.
- Mathematics. , with David Bergamini
- Matter. , with Ralph E Lapp
- Water. , with Luna B Leopold, Kenneth S Davis
- Photography
- Colour: revised edn.
- Light and Film: revised edn.
- Photographing Nature: revised edn.
- Special Problems: revised edn.
- Travel Photography: revised edn.
- World's Wild Places
- Africa's Rift Valley.
- The Amazon.
- America's Northwest Coast.
- The Andes.
- Cactus Country.
- Canyon Lands.
- Caribbean Isles.
- Central American Jungles.
- The Grand Canyon.
- Hawaii.
- The Himalayas.
- Mexico's Sierra Madre.
- Mexico's Baja California.
- New England Wilds.
- New Guinea.
- The Sahara.
- Wilderness Europe.
- The Australian Outback.
- The Bayous of Louisiana.
- Labrador.
- The American North Woods. 1972
- Alaska. 1972
- Florida's Everglades. 1973
- The Rocky Mountains. 1974
- Soviet Deserts and Mountains. 1974
- The Great Barrier Reef. 1974
- Borneo. 1975
- Lapland. 1976