001 The Authentic Wild West: The Gunfighters by James David Horan Hardcover, 308 Pages, Published 1976 by Crown Pub ISBN-13: 978-0-517-52680-4, ISBN: 0-517-52680-8
PINKERTON, LOS by James D. Horan Hardcover, 712 Pages, Published 1973 by Bruguera ISBN-13: 978-84-02-02653-8, ISBN: 84-02-02653-2