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A second collection of birds from the provinces of Yunnan and Szechwan, China, made for the National Geographic Society by Dr. Joseph F. Rock
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A second collection of birds from the provinces of Yunnan and Szechwan, China, made for the National Geographic Society by Dr. Joseph F. Rock
Date:
1931
Citation:
Riley, J. H. 1931. "A second collection of birds from the provinces of Yunnan and Szechwan, China, made for the National Geographic Society by Dr. Joseph F. Rock." Proceedings of the United States National Museum. 80 (2907):1–91. https://doi.org/10.5479/si.00963801.2907
