nber series on long-term factors in economic development Heroes & cowards : the social face of war / Dora L. Costa & Matthew E. Kahn guerre au Mexique / Boudeau Notes on explosives and their application in torpedo warfare / by Walter N. Hill Oorzaken van den burgeroorlog in Amerika / door John Lothrop Motley Armée et démocratie / le Général Cluseret university of chicago war papers England and America / by Conyers Read guerre de sécession 1861-1865 / E. Grasset army lineage series Armor-cavalry / Mary Lee Stubbs : Pt. 1: Regular army and army reserve old guard : history of the third infantery regiment American soldier : US armies : 1755 to the present / Philip Katcher ; [comp. and ed. by Richard Widdows] 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