FRONSPERGER, LEONHARD. Von Kayserlichem Kriegsrechten Malefitz und Schuldhändlen, Ordnung und Regiment. [4], 256 [i. e., 257], [7] leaves, including colophon leaf and final blank. Kriegssbuch, Ander Theyl. Von Wagenburgk umb die Veldleger. 3 folding ballistic diagrams included in foliation. [6], 227, [7] leaves, including blank 2P6 and colophon leaf * Kriegssbuch, Dritter Theyl. Von Schantzen unnd Befestungen. [4], 362, [7] leaves. Together, 3 volumes in one, with woodcut text illustrations throughout, but lacking the plates. Folio, 315x200 mm, contemporary blind-tooled pigskin over wooden boards with brass cornerpieces, catches, and one clasp (of 2), front cover additionally stamped OBVHVD (above) and 1583 (below); contents generally quite clean apart from light dampstain along bottom edge toward end of volume, paper crack in blank outer margin of I3.4 in third work. Frankfurt am Main: (Martin Lechler for Hieronymus & Sigmund Feyerabend), 1571-73-73