David Stradling (EDT)/ William Cronon (FRW)
(3)
Loren Eiseley/ William Cronon (EDT)
(3)
George P. Marsh/ David Lowenthal (EDT)/ William Cronon (FRW)/ David Lowenthal
(1)
John Muir/ William Cronon (EDT)
(1)
Mark W. T. Harvey (EDT)/ William Cronon (FRW)
(1)
Thomas R. Dunlap (EDT)/ William Cronon
(1)
William Cronon (EDT)/ George Miles/ Jay Gitlin (EDT)/ William Cronon/ George Miles (EDT)
(1)