MERZBACHER, GOTTFRIED. Die Gebirgsgruppe Bogdo-Ola im östlichen Tian-Schan. 24 folding plates, including 15 with multiple subjects after photographs by the author, with 2 tissue overlays on plate 4 and one each on plates 5, 9, 12, and 14; 5 maps on 3 folding leaves. vii, [1], 330 pages. 4to, 227x228 mm, original wrappers, spine cracked and bonded with resulting discoloration, fore edge of covers worn; contents clean. Stamp and signature dated 1917 of the Austrian geologist Raimund von Klebelsberg on title page. Munich: Verlag der Königlich Bayerischen Akademie der Wissenschaften, 1916