Ornitologicheskai͡a fauna Kharʹkovskoĭ gubernīi Faune ornithologique du gouvernement de Kharkow Somov, N. N. creator text book Charʹkov A. Darre 1897 1897
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RUS Birds Kharkiv Region Soviet Union Ukraine QL690.S65 S69 1897 https://www.biodiversitylibrary.org/bibliography/15356 25208853 10.5962/bhl.title.15356 SMI