america in a world at war America's maginot lines / by Helen Hill médailles commémoratives comme instruments de propagande allemande / par G.F. Hill Indian Army Uniforms under the British from the 18th century to 1947 : cavalry / W.Y. Carman Chemical warfare / by Amos A. Fries and Clarence J. West evolution of fashion: pattern and cut from 1066 to 1930 / [by] Margot Hamilton Hill, [drawings], Peter A. Bucknell [text and patterns] Zeppelin in combat : a history of the German Naval Airship Division, 1912-1918 / by Douglas H. Robinson Radio engineering / by Frederick Emmons Terman Principles of radar / by members of the staff of the Radar School Massachusetts Institute of Technology Measurements in radio engineering / by Frederick Emmons Terman Communication engineering / by William Littell Everitt Knowing and drawing trees / written and illustrated by A. Hill Practical aircraft sheet-metal work : including riveting, assembly, blueprint reading and template developing / by Russ Frazer and Orrin Berthiaume ... with a foreword by …