Greater Yellowstone Ecosystem
1986
National parks
Parque Nacional do Itatiáia
Zikan, J. F. |
Cunha Mello, Eduardo |
Pinto, Oliverio |
Dusen, P. K. H. |
Brade, A. C. |
Plan general de manejo parque nacional Nahuel Huapi
1986
Gil, Julián |
Malvarez, Inés |
Martin, Carlos A. |
La conservacion de la naturaleza : parques nacionales argentinos
Correa Luna, Hugo |
Tolosa, Rubén C. |
Monaglio, Enrique |
Proclamations and orders relating to the national park service up to January 1, 1945
1947
Sullivan, Thomas Alan |
Laws relating to the National Park Service, the national parks and monuments
Tolson, Hillory A. |
Sullivan, Thomas Alan |
The creation and development of national parks in the lower Amazon region of Brazil
1976
Barrett, Suzanne W. |