Katalog der Collection von Erlanger in Nieder-Ingelheim a. Rh Hilgert, Carl. creator text book Berlin R. Friedlander und Sohn 1908 1908
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GER 59.82:07(43) Birds Catalogs and collections QL677.3 .H55 1908 https://www.biodiversitylibrary.org/bibliography/7511 21260960 10.5962/bhl.title.7511 SMI