A Texas Cowboy by Charles A. Siringo - Audiobook - Audible.com
Nicolette Siringo, Real Estate Agent - Compass
Cowboy Detective Charlie Siringo Spent Two Decades "Playing Outlaw" for the Pinkertons | Westword
Siringo (TV Movie 1995) - IMDb
Close Calls An Interview with Charles A, Siringo, Daring Adventurer in the Old West as contained in The American… by Charles A Siringo - Paperback - 1st Edition - 1929 - from Old West Books (SKU: 020590)