Proceedings and papers : International Technical Conference on the Protection of Nature, Lake Success, NY, 22-29 August 1949
1950
Harroy, Jean-Paul |
UNESCO
International Union for the Protection of Nature established at Fontainebleau, 5 October 1948
1948
Bernard, Ch. J. |
A guide to teaching happy living through conservation
1953
Palmer, E. Laurence |
IUCN directory of neotropical protected areas
1982
This publication has been scanned by the Biodiversity Heritage Library and is available online: http://biodiversitylibrary.org/page/31460229
Liquid assets
1965
Atkinson-Willes, G. L. |
Actas de la Reunión Centroamericana sobre Manejo de Recursos Naturales y Culturales, San José, Costa Rica, 9-14 Diciembre 1974
1976
Chaverri, Adelaida |
Vaughan, Christopher |
Iran : concepts of biotic community conservation : a paper presented at the International Meeting on Ecological Guidelines for the Use of Natural Resources in the Middle East and South West Asia held at Persepolis, Iran, 24-30 May 1975
1976
Firouz, Eskandar |
Harrington, Fred A. |