Henry David Thoreau/ Bill McKibben (INT)
(2)
Alex S. Maclean/ Bill McKibben (INT)
(1)
Arne Naess/ Per Ingvar Haukeland/ Roland Huntford (TRN)/ Bill McKibben (FRW)/ Harold Glasser (INT)
(1)
Cedric Delsaux/ Bill McKibben (INT)
(1)
Erv Schroeder/ Bill McKibben (FRW)/ Marcia Bjornerud (CON)/ Simon J. Ortiz (INT)
(1)
Greg Miller/ Bill McKibben (FRW)/ Ned Sullivan (INT)
(1)
James Eggert/ Thich Nhat Hanh (INT)/ Bill McKibben (FRW)
(1)
Jay Walljasper/ Bill McKibben (INT)
(1)
John Muir/ Bill McKibben (INT)
(1)
Kurt Caswell (EDT)/ Susan Leigh Tomlinson (EDT)/ Diane Hueter Warner (EDT)/ William E. Tydeman (INT)/ Bill McKibben (FRW)
(1)
Margaret Eleanor Atwood/ Paolo Bacigalupi/ T. Coraghessan Boyle/ Bill McKibben (INT)/ Mark Martin (EDT)
(1)
Mark Twain/ Bill McKibben (INT)/ James Danly (CON)
(1)
Michael W. Robbins (EDT)/ Bill McKibben (FRW)/ Renee Loux (INT)/ Wendy Palitz (CON)/ Joel Holland (ILT)
(1)
Robert Emmet Hernan/ Bill McKibben (FRW)/ Graham Nash (INT)
(1)
Taylor Brorby/ Paul Anderson (PHT)/ Bill McKibben (INT)/ Kathleen Dean Moore (AFT)
(1)
Vance Packard/ Bill McKibben (INT)
(1)
Yashar Kemal/ Margaret E. Platon (TRN)/ Bill McKibben (INT)
(1)