nber series on long-term factors in economic development Heroes & cowards : the social face of war / Dora L. Costa & Matthew E. Kahn men-at-arms series Iron Brigade / text by John Selby; colour plates by Michael Roffe men-at-arms series US cavalry on the plains 1850-90 / text by Philip Katcher ; colour plates by Ron Volstad men-at-arms series American Civil War armies : 1: Confederate artillery, cavalry and infantry / text by Philip Katcher ; colour plates by Ron Volstad men-at-arms series American Civil War armies : 4: State troops / text by Philip Katcher ; colour plates by Ron Volstad warrior series Union cavalryman, 1861-65 / Philip Katcher ; illustrated by R. Hook Guerre des États-Unis d'Amérique : rapport au département militaire Suisse / F. Lecomte Bürgerkrieg in den nordamerikanischen Staaten : militairisch beleuchtet für den deutschen Offizier / von J. Scheibert uniforms and equipment American Civil War : Union infantry uniforms / [by] Chris Warner men-at-arms series American Civil War armies : 3: Staff, specialist and maritime services / text by Philip Katcher ; colour plates by Ron Volstad warrior generals : combat leadership in the Civil War / Thomas B. Buell men-at-arms series American Civil War armies : 2: Union artillery, cavalry, and infantry / text by Philip Katcher ; colour plates by Ron Volstad