[en] Them and Us Kardoorair Press
[en] Where in the World is God? Smashwords
[en] The Obligation Smashwords
[en] [Gutenberg 46129] • The Data of Ethics Spencer Press
[en] Revolutionaries: A New History of the Invention of America Mariner Books
[en] Emma Goldman, "Mother Earth," and the Anarchist Awakening University of Notre Dame Pess
[en] Phantom Terror · the Threat of Revolution and the Repression of Liberty 1789-1848 William Collins
[en] Disappeared Coronet
[en] America's First Ally Casemate
[en] Benjamin Franklin · An American Life Simon and Schuster
[en] The World That Never Was Vintage
[en] The Clock King and the Queen of the Hourglass Norilana Books
[en] [Grayline Sisters 02] • The Seeker Star Candlemark & Gleam
[en] The Heretic in Darwin's Court Columbia University Press
[en] Passport to the Cosmos White Crow Books
[en] Aristotle's Ladder, Darwin's Tree · the Evolution of Visual Metaphors for Biological Order Columbia University Press
[en] Aristotle's Ladder, Darwin's Tree Columbia University Press