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Year Book - The American Philosophical Society

出版	American Philosophical Society., 1970
URL	http://books.google.com.hk/books?id=cpNFAAAAYAAJ&hl=&source=gbs_api

註釋The "Year book will bring together in one place reports, notices, accounts of the present state of the society and its activities which have heretofore been published in separate pamphlets or have been scattered through the Proceedings".--