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By: Eichwald, Carl Eduard von,Edition:Publication info: Petropoli, Litteris Typhographiae Diarii Gall. Politic. Petropol, 1841Volume:Series:Holding Institution: Field Museum of Natural History LibrarySubjects: Caspian Sea Caspian Sea region Caucasus Marine animals ZoologyBHL Collections:
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By: Zaroudnoi, N.Edition:Publication info: Moscou, Impr. de l'Université Impériale, 1885Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Birds Caspian Sea regionBHL Collections: