Military dress of North America, 1665-1970 / [by] Martin Windrow and Gerry Embleton horse soldier, 1776-1943 : the United States cavalryman : his uniforms, arms, accoutrements, and equipments / by Randy Steffen ; illustrations by Randy Steffen Road to Romagne : American heritage of the First World War / Marco Magielse en Diederik Van Vleuten Ursachen des Kriegseintrittes der Vereinigten Staaten : (Materialsammlung) National defense and political science / by Edward Mead Earle United States Army in the world war 1917-1919 : Policy-forming documents american expeditionary forces / Department of the Army. Historical Division