OTF - Volume 9, Over The Front - Journal of the League of World War I Aviation Historians: In-Depth Account of Pilots, Squadrons, Aircraft, and Aerial Combat During the Great War (OTF - Over The Front - Journal of the League of World War One Aviation Historians)
Over The Front, OTF／Layman, R.D.／Skelton, Marvin L.／Taylor, Stewart K.／Duiven, Richard／Gaulke, Randal S.／Guttman, Jon／Linneman, John
