military collections of the world US Army Ordnance Museum Aberdeen / text P. Skulski ; photos B. Bercarz, A. Juszczak, R. Pÿðeczkowski ; ed. in chief Roger Wallsgrove ; transl. … aei studies SALT handbook : key documents and issues, 1972-1979 / edited by Roger P. Labrie modern economic issues Defense and disarmament : the economics of transition / edited by Roger E. Bolton science in world war ii Chemistry : a history of the chemistry components of the National Defense Research Committee, 1940-1946 / by R. Connor ... [et al.] ; ed. by … U.S.A.F. Unit Code Letters / by Roger A. Freeman and George Pennick
