United Nations list of national parks and equivalent reserves = Liste des Nations Unies des parcs nationaux et réserves analogues
1974
IUCN
IUCN's twelfth Technical Meeting, Banff, Alberta, Canada, 12 to 15 September 1972 : papers and proceedings
1973
Elliott, Hugh F. I. |
The behaviour of ungulates and its relation to management : the papers of an international symposium held at the University of Calgary, Alberta, Canada, 2-5 November 1971
1974
Geist, Valerius |
Walther, Fritz R. |
Addendum - corrigendum to the second edition of United Nations list of national parks and equivalent reserves, including data received to 30 June 1972
1972
Harroy, Jean-Paul |
Productivity and conservation in northern circumpolar lands : proceedings of a conference, Edmonton, Alberta, 15-17 October 1969
1970
Fuller, W. A. |
Kevan, P. G. |
Environmental conservation education among populations of rural and woodland areas
1971
Cerovsky, J. (Jan) |
Pritchard, Peter Charles Howard |
A. The national park situation in southern Asia, with special reference to the role, management and economic and social function of national parks in densely populated non-industrial regions. B. Pre-conference study-tours to national parks and other are
1971
Packard, Fred M. |
Elliott, Hugh F. I. |