UNESCO

Towards a new relationship of man and nature in temperate lands. Part 1. Ecological impact of recreation and tourism upon temperate environment

1967

The ecology of man in the tropical environment : proceedings and papers

1964

Conservation of nature and natural resources in modern African states : report of a symposium

1963 Watterson, Gerald G. |

Ecological guidelines for development in tropical rain forests

1976 Poore, Duncan |

Conserving the natural heritage of Latin America and the Caribbean : the planning and management of protected areas in the neotropical realm = Conservar el patrimonio natural de América Latina y del Caribe : la planificación y administración de las ár

1981

Conserving Africa's natural heritage : the planning and management of protected areas in the afrotropical realm : proceedings of the 17th meeting of IUCN's Commission on National Parks and Protected Areas, Garoua, Cameroon, 17-23 November 1980

1981

Conservation, science and society : contribution to the first International Biosphere Reserve Congress, Minsk, Byelorussia, USSR, 26 September-2 October 1983

1984

The World National Parks Congress, Bali, Indonesia, 11-22 October 1982 : [programme]

1982

1982 United Nations list of national parks and protected areas

1982

Proceedings of the twenty-second Working Session, Commission on National Parks and Protected Areas, Victoria Falls, Zimbabwe, 22-27 May, 1983

1984

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