[en] [Gutenberg 4684] • The U. P. Trail Ryetown Classics
[en] Sense of Wonder · A Century of Science Fiction Wildside Press
[en] The Golden Mean Knopf
[en] [Gutenberg 12945] • The Boy Scouts of the Geological Survey Echo Library
[en] The Ayn Rand reader Plume Books
[en] Defiant Desire · Some Dialectical Legacies of D. H. Lawrence Southern Illinois University Press
[en] The Philosopher: A History in Six Types Princeton University Press
[en] Beyond Good and Evil · Prelude to a Philosophy of the Future Oxford University Press
[en] Metafiction Short Story Writers Salem Press
[en] Leviathan and the Air-Pump · Hobbes, Boyle, and the Experimental Life Princeton University Press
[en] [Gutenberg 34497] • The Boy With the U. S. Survey Createspace Independent Publishing Platform
[en] The Ghost Hunters Arrow Books
[en] Walden, or, Life in the woods · and, "On the duty of civil disobedience" Signet Classics