John Ringo King Of The Cowboys : His Life And Times From The Hoo Doo War To Tombstone / David Johnson.
- 2nd ed.
- Denton Tex. : University Of North Texas Press 2008.
- XIV 366 P. : ILL. MAPS 24 CM.
- A.C. Greene Series No. 6; A.C. Greene Series 6 0 .