Libros

[Carta] Report on activities of international commission on national parks, June 1960 - September 1963 [de] Harold J. Coolidge Chairman.

[Apuntes personales] Resolutions

[Carta] 1963 Septiembre 2 [para] Ngorongo

[Apuntes personales]

[Apuntes personales]

[Apuntes personales] International significance of national parks in Conservation Education, Part 1. Contribution of National Parks to the Advancement of Conservation Eduaction by Harold J. Coolidge

Workshop on conservation Eduaction for Specialist of African Cuntries, IUCN General Assembly : Nairobi, Kenya, Septiembre 12 - 13 de 1963

[Apuntes personales] Adjustment and amendment of statutes