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This is to Certify that Dr. Charles Chilton Because of His Active Interest in Scientific Research Has Been Duly Elected a Corresponding Member of the American Museum of Natural History for a Period of Five Years Ending February 1928

其他書名	Given Under Our Hands and the Seal of the Society in the City of New York the Fifth Day of February 1923
出版	1923
URL	http://books.google.com.hk/books?id=p_qHAQAACAAJ&hl=&source=gbs_api