| Vittorio Sella The Karagom Glacier and Burdjula 1896 Book plate Donald A. Heald - Rare Books, Prints & Maps Donald A. Heald - Rare Books, Prints & Maps, New York (#20353) LL/41229 Douglas William Freshfield & Vittorio Sella, "The Exploration of the Caucasus", two volumes (London & New York: Edward Arnold, 1896.)
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