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The Fur Seals and Fur-seal Islands of the North Pacific Ocean: The history, condition, and needs of the herd of fur seals resorting to the Pribilof islands, by D. S. Jordan and G. A. Clark
United States. Department of the TreasuryDavid Starr Jordan
出版U.S. Government Printing Office, 1898
URLhttp://books.google.com.hk/books?id=HjIsAAAAYAAJ&hl=&source=gbs_api
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