UNESCO

IUCN yearbook, 1975-76 : annual report of the International Union for Conservation of Nature and Natural Resources for 1975 and for January-May 1976

1976

World directory of national parks and other protected areas

1977

Second World Conference on National Parks, Yellowstone and Grand Teton National Parks, USA, September 18-27, 1972 : proceedings

1974

Thirteenth Technical Meeting, Kinshasa, Zaire, 8-17 September 1975 : papers

1975

IUCN yearbook : annual report of the International Union for Conservation of Nature and Natural Resources for 1973

1974

IUCN yearbook : annual report of the International Union for Conservation of Nature and Natural Resources for 1972

1973

Project aqua : a source book of inland waters proposed for conservation

1971 Luther, H. | Rzóska, J. | Worthington, E. B. |

United Nations list of national parks and equivalent reserves, part 2

1962

First World Conference on National Parks : proceedings

1964

Soil and water conservation. Vegetation controls erosion. Dams and landscapes. Ecology and landscapes

1960

Subscribe to UNESCO