Susan Brind Morrow
L. Dudley Stamp
Ansel Adams
Nigel Dudley
Unknown Author
Sue Stolton
John Lister-Kaye
Cole, David N.
Annapurna Conservation Area Project (Nepal)
United States. Congress. Senate. Committee on Energy and Natural Resources.
John V. Krutilla
Antônio Carlos Sant'Ana Diegues
Arizona. Riparian Area Advisory Committee.
M. Cecília Wey de Brito
R. Newell Searle
Ontario. Conservation Authorities Branch.