1939 Western US and Canadian Rockies Trip [1/2]
Banff and Lake Louise Slide Show - Series III [1/2]
Canadian Rockies Camps Slide Show - Series II
Highlight Slide Show from the Canadian Rockies
Highlighted Slides from the Canadian Rockies
Horseback and Camping Trip in the Canadian Rockies, July and ...
Letters to Mother [April - November 1935]
Personal Trip Diaries
Select O'Hara Slide Show [Series V]
Slides Notebooks
Summer 1946 Canadian Rockies Trip
Summer in the Canadian Rockies, 1928. Hunting Trip, September 1928. ...
Transparencies