1957
Bibliografía (15 obras)
Sunrise from the summit
2015
Outward Bound map & compass handbook
2012
Colorado Wild And Beautiful
2005
Rocky Mountain National Park impressions
2004
The Outward Bound Staying Warm in the Outdoors Handbook (Outward Bound)
2000
The Outward Bound Backpacker's Handbook (Outward Bound)
1999
The modern backpacker's handbook
1994
Mount McKinley Climber's Handbook
1993
Serving survivors of torture
1991
The Outward Bound map & compass handbook
1989
Cold comfort
1987
Breaking point
1984
Mt. McKinley climber's handbook
Longs Peak Tales
1981
