nber series on long-term factors in economic development Heroes & cowards : the social face of war / Dora L. Costa & Matthew E. Kahn Technology in war : the impact of science on weapon development and modern battle / Kenneth Macksey Sporen naar het front : spoorwegen en oorlog / Guus Veenendaal history of the world in 100 weapons / Chris McNab Frank Leslie's illustrated history of the Civil War : the most important events of the conflict between the states graphically pictured : stirring battle scenes … Colt revolvers and the Tower of London Echo of a distant drum: Winslow Homer and the Civil War / Julian Grossman 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 guerre au Mexique / Boudeau Dertien maanden in het leger der zuidelijke staten van Noord-Amerika / uit het Engelsch van Wiliam G. Stevenson, door S.J. van den Bergh defense of Charleston Harbor including Fort Sumter and the Adjecent Islands : 1863-1865 / by John Johnson crise Américaine : recueil de documents pouvant servir à l'histoire de la guerre des états-unis (1859-1860-1861-1862) : le nord et le sud / Ernest Poulain