Autocourse 2000-2001.
Hazelton Publishing, 2000. 50th Anniversary Edition, first printing thus.
Hazelton Publishing, 2000. 50th Anniversary Edition, first printing thus.
Hazelton Publishing, 2001. First printing thus.
Thomas H. Ford, 1860. First edition. Red cloth, no dust jacket.
Howell-North, 1963. Facsimile reprint, on of 1250 copies, this copy marked "office copy." Brown cloth, no dust jacket.
Sundance Books, 2007. First edition. Leather-backed illustrated boards.
Sundance Books, 1989. First edition, first printing. Signed by the author and photograph contributor, Richard A. Ronzio.
Golden West Books, 1972. First edition, first printing. Inscribed by the author.
Golden West Books, 1990. 3rd printing.
Albuquerque Museum, 1987. First edition, first printing. Signed by the author.
Colorado Railroad Museum, 1982. First edition, first printing. Signed by the two authors and R. H. Kindig, biographer.
Colorado Railroad Museum, 1973. First edition, first printing.
Colorado Railroad Museum, 1987. First edition, first printing.
Colorado Railroad Museum, 1990. First edition, first printing.
Colorado Railroad Museum, 1991. First edition, first printing.
Colorado Railroad Museum, 1993. First edition, first printing.
Colorado Railroad Museum, 1997. First edition, first printing.
Bonanza Books, 1967. Reprint.
North Country Books, 1978. Revised edition.
Stephen Green Press, 1964. First edition, first printing.
Northrop Corporation, 1976. First edition, first printing. Brown leatherette.
Naval Institute Press, 1981. First edition, first printing.
Haynes, 1986. First U.S. edition.
Omni Publications, 1986. Second printing.
February 1944. Original cardboard binding. With a blank AAF Form 24-A laid in.
Haynes North America, 2016. First U.S. edition. Glazed boards, no dust jacket.