[en] [Gutenberg 132] • The Art of War 1 Createspace Independent Publishing Platform
[en] [Gutenberg 17405] • The Art of War 2 Createspace Independent Publishing Platform
[en] Skunk Works · A Personal Memoir of My Years at Lockheed Little, Brown and Company
[en] The Art of War Columbia University Press
[en] The Art of War in the Western World University of Illinois Press
[en] [The Golden Age of Science Fiction 02] • The Golden Age of Science Fiction Vol. 2 Halcyon Press Ltd.