Birds collected in inner Mongolia, Kansu, and Chihli by the national geographic societyʹs central-China expedition under the direction of F. R. Wulsin/
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| Format: | Book |
| Language: | English |
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Washington:
Smithsonian Institution United States National Museum,
1930
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| Item Description: | Reprint from: Proceedings of the United States Natioanal Museum, Vol. 77, Art. 15, pp. 1-39 |
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| Physical Description: | 39 p. ; 24 cm. |