The Field Guide to Data Science » index.php-13

{{cite web | url=http://digitalcollections.nypl.org/items/88c29255-0ab0-a090-e040-e00a18065550 | title= (still image) Cream of Wheat advertisement., (1909 – v. 13, no. 2 (Oct. 1921) – 1921-12) }} |author=Digital Collections, The New York Public Library |accessdate=May 30, 2016 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}

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