General Crook and the Western Frontier - University of Oklahoma Press

General George Crook was one of the most prominent soldiers in the frontier West. General William T. Sherman called him the greatest Indian fighter and manag

Al Sieber - Wikipedia

Albert Sieber, Civil War Wiki

Al Sieber AustriaWiki im Austria-Forum

Al Sieber - Wikiwand

Chihuahua (chief) - Wikipedia

Al Sieber

Albert Sieber, Military Wiki

Al Sieber - Wikiwand

Al Sieber - Wikiwand

Art: Artist on the Western frontier

Picture story] China's western frontier and beyond, History News - ThinkChina

Western Frontier

Western Frontier

Holiday on the Frontier - C&I Magazine