| Vittorio Sella Ushba Group from Ciat Bashi 1896 Book plate Donald A. Heald - Rare Books, Prints & Maps Donald A. Heald - Rare Books, Prints & Maps, New York (#20353) LL/41228 Douglas William Freshfield & Vittorio Sella, "The Exploration of the Caucasus", two volumes (London & New York: Edward Arnold, 1896.)
| |