house document United States defense policies since World War I / prep. at the request of Melvin Price, by Charles H. Donnelly ; appendixes A.B.C.D. prep. by … Manual of visual signaling of the U.S. Signal Corps / prepared under the direction of brigadier-general A.W. Greely chief signal officer, U.S. Army by captain … heritage of the march Heritage of the March : Volume 55 - A.D. Davenport - A. Holzmann heritage of the march Heritage of the March : Volume 66 - L. Siede- A.F. Weldon Osinga en de interpretatie van Boyd / A.C. Tjepkema U.S.A.F. Unit Code Letters / by Roger A. Freeman and George Pennick