PIASETSKII, Pavel Iakovlevich. Puteshestvie po Kitaiu [Journey round China in 1874-1875 (through Siberia, Mongolia, eastern, central and north-eastern China)], St. Petersburg: M. Satsiulevich, 1880, 2 volumes, 8°, FIRST EDITION, 24 plates (may lack map, slightly browned, 2 leaves of index in vol. I torn), contemporary calf-backed cloth (rubbed) [Skachkov 8765] -- Nikolai Mikhailovich PRZHEVAL'SKII. Tret'e puteshestvie v Tsentral'noi Azii [Third Journey in Central Asia. From Zaisan across Kham in Tibet and the Source of the Yellow River], St. Petersburg: Imperial Russian Geographical Society, 1883, 8°, 106 plates after V. Roborovskii only (of 107, lacking that facing page 344), 2 folding maps (some leaves slightly spotted), modern half leather [Skachkov 8755] -- Mikhail Vasil'evich PEVTSOV. Trudy Tibetskoi ekspeditsii [The Works of the Tibetan Expedition 1889-1890], St. Petersburg: Imperial Russian Geographical Society, 1895-92, 2 volumes, 4°, 45 plates, 5 folding in colour, 8 folding maps only (of 9, lacking that in vol. I), folding printed table, original wrappers (torn, one lacking) [Skachkov 8721] -- N.I. RAZUMOV. Zabaikal'e [Trans-Baikal. Collection of materials ordered by the Commission of Agriculture], St. Petersburg: Chancery of the Committee of Ministers, 1899, 8°, 75 plates, folding map (small tear, title repaired), modern cloth [Skachkov 5041]; and 2 others. (8)