Edward Abbey(2)
Greg Abernathy(1)
Kevin Adams(1)
Mark Adams(1)
S. Marshall Adams(1)
Leonard M. Adkins(1)
J.David Allan(1)
Stephen E. Ambrose(1)
Calvin Baker(1)
Thomas G. Barnes(2)
Mike Berners-Lee(1)
Richard E. Bir(1)
Herbert T. Boschung(2)
Douglas Brinkley(2)
Bill Bryson(1)
Lane Cooper(1)
Professor Betty Jean Craige(1)
Wilbur H. Duncan(1)
David A. Etnier(1)
Brad Gilbert(1)
Nancy D. Gordon(1)
Winston Groom(1)
Michael Grunwald(1)
David George Haskell(1)
Bernd Heinrich(3)
Steve Inskeep(1)
Thomas Jefferson(1)
Kirk Wallace Johnson(1)
J. Reese Voshell Jr.(1)
James R. Karr(1)
John Kasich(1)
Horace Kephart(2)
Aldo Leopold(2)
Abraham Lincoln(1)
Thomas E. Lodge(1)
Steve Martin(1)
William J. Matthews(1)
Peter Matthiessen(1)
Richard L. Mayden(1)
David McCullough(1)
Thomas Merton(1)
David Miller(1)
John Muir(1)
Bruce Murphy(1)
G. V. Nikolʹskiĭ(1)
Lawrence M. Page(2)
Eric Petersen(1)
Tony J. Pitcher(1)
John Wesley Powell(1)
James Prosek(1)
David Quammen(1)
Nick Kelsh Rachel Carson, Charles Pratt(1)
John N. Rinne(1)
Stephen T. Ross Ph. D.(1)
Edward Ruppert(1)
Rob Sandelin(1)
Ty Seidule(1)
Jerry Seinfeld(2)
Dr. Seuss(1)
Randy Seymour(1)
David Allen Sibley(1)
E. B. Sledge(1)
David L. Strayer(1)
Deanna J. Strouder(1)
James H. Thorp(2)
Melvin L. Warren Jr.(1)
Edward O. Wilson(4)
Robert J. Wootton(1)
Donald Worster(1)
Zondervan(2)