1. A wilderness within :
Author: David Backes.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Olson, Sigurd F.,1899-1982.,Conservationists-- United States, Biography.,Naturalists-- United States, Biography.
Classification :
QH31
.
O47
B335
1997
2. Open horizons /
Author: Sigurd F. Olson ; illustrated by Leslie Kouba.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Natural history-- North America.,Natural history, Outdoor books.,Natural history.,NATURE-- Essays.,NATURE-- Reference.,TRAVEL-- Special Interest-- Ecotourism.,North America., 7
Classification :
QH102
.
O39
1998eb
3. The meaning of wilderness
Author: / Sigurd F. Olson
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Natural history--North America,Philosophy of nature.
Classification :
QH
,
102
,.
O386
,
2001
4. The meaning of wilderness :
Author:
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Natural history ; North America. ;
5. Wilderness U.S.A
Author: / [Introd. by Sigurd F. Olson. Essays by Edward Abbey and others. Drawings by Dill Cole and George Founds. Photos. by Lowell Georgia and others
Library: Central Library and Documents Center of Allameh Tabatabaei University (Tehran)
Subject:
Classification :
QH76
،.
N26
1973
،
R
