1st U. S. Volunteer Cavalry, Troop K, 2nd Texas Volunteer Infantry, 9th U.S Infantry, Company C, Arizona Rough Riders Historical Association, Batallon de Cazadores, No. 25 de la Patria, Living History Crew of the USFS OLYMPIA, On-line discussion group, The 9th Memorial Cavalry, The Spanish War, 1898, TNT's Rough Riders