Protected areas

United Nations list of national parks and equivalent reserves

1980

Categories, objectives and criteria for protected areas : a final report

1978

World directory of national parks and other protected areas

1977

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

1975

Liste des Nations Unies des parcs nationaux et réserves analogues

1967

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

1962

Nature protection throughout the world : dedicated to the memory of Dr. Hugo Salomón

1957 Dennler de la Tour, Georges |

Protected landscapes : experience around the world

1987
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