NEW COLOR COLLECTION : CREATION
- 1970
- 1964
- 1961
- 1965
- White Island, New Zealand 1985
- 1968
- 1968
- Kenya 1970
- 1979
- Galapagos 1969
- 1970
- 1971
- Wet Leaf, Vermont 1969
- Kenya 1970
- Galapagos 1969
- Kenya 1970
- Kenya 1970
- 1968
- 1982
- Evergreens in Winter 1966
- Kenya 1970
- Kenya 1970
- Kenya 1970
- USA 1970
- 1971
- Mexico 1971
- USA 1970
- 1970
- Kenya 1970
- USA 1964
- Kenya 1970
- Kenya 1970
- Norway 1959
- Japan
- Kenya 1970
- 1965
- 1977
- Colorado, USA 1963
- Kenya 1970
- USA 1964
- Arizona, USA 1963
- Kenya 1970
- 1960
- Arizona, USA 1963
- USA 1970
- 1966
- 1966
- 1965
- 1968
- Yellow Meadow 1964
- Kenya 1970
- 1969
- 1965
- Kenya 1970
- Kenya 1970
- 1965
- 1976