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Proposals for Enlarging the Plan of the American Society, Held at Philadelphia, for Promoting Useful Knowledge, that it May the Better Answer the Ends for which it was Instituted,

American Society, Held at Philadelphia, for Promoting Useful Knowledge

其他書名	Extracted from the Minutes of the Society, January 1, 1768, and Published in Order to Explain the Design of the Institution, and Increase the Number of Correspondents
出版	William Goddard, in Market-Street., 1768
URL	http://books.google.com.hk/books?id=mITcGwAACAAJ&hl=&source=gbs_api