File: William Stanley Jevons Logic Piano.jpg - New World Encyclopedia

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:05, 1 December 2007		659 × 1,023 (183 KB)	Jennifer Tanabe (talk \| contribs)	[http://en.wikipedia.org/wiki/Image:William_Stanley_Jevons_Logic_Piano.jpg source and rights]

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