THÜNEN, JOHANN HEINRICH VON. Der isolirte Staat in Beziehung auf Landwirtschaft und Nationalökonomie . . . Dritte Auflage. Edited by Hermann Schumacher. Frontispiece portrait of the author. xxiii, [1], viii, 400; 288; 444; [2], 144 pages. 3 parts in 4 volumes, bound in one. 8vo, 213x130 mm, contemporary 1/2 leather, spine and cover edges worn, joints cracked, binding still sound; moderate foxing on part 1 preliminaries, heavy foxing in part 2/1, remainder of contents generally clean. Berlin: Wiegandt, Hempel & Parey, 1875