Cameron, Robert S. Mobility, shock, and firepower the emergence of the U.S. Army's armor branch, 1917-1945 Emergence of the U.S. Army's armor branch, 1917-1945 by Robert Stewart Cameron. - Washington, D.C. - xx, 562p. ill., maps (some col.) 25 cm. Shipping list no. 2009-0164-P. Subjects--Corporate Names: United States Army. Armored Force History. Subjects--Topical Terms: Government publications Dewey Class. No.: 22 GPO Item No.: 0344-G Gov. Doc. Class. No.: D 114.19:M71