nber series on long-term factors in economic development Heroes & cowards : the social face of war / Dora L. Costa & Matthew E. Kahn American soldier : US armies : 1755 to the present / Philip Katcher ; [comp. and ed. by Richard Widdows] complete book of U.S. sniping / Peter R. Senich university of chicago war papers England and America / by Conyers Read Colt revolvers and the Tower of London American Civil War : a popular illustrated history of the years 1861-1865 as seen by the artist-correspondents who were there / by Earl Schenck Miers Brief historical and vital statistics of the graduates of the United States Military Academy : 1802-1951 Manual of pistols and revolver cartridges / Hans A. Erlmeier : Bd. 2: Zentralfeuer, Amerikanische und Britische Kaliber = centerfire, American and British calibers Springfield Armory shoulder weapons 1795-1968 / Robert W.D. Ball naval historical foundation publication ; series ii history of the Dudley Knox center for naval history / William James Morgan, Joye L. Leonhart Notes on explosives and their application in torpedo warfare / by Walter N. Hill ontwikkeling van de General Staff in de Verenigde Staten van l 1890 - 1946 / Minsterie van Oorlog, Sectie G 2