James Caleb Jackson (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "James Caleb Jackson" in Spanish language version.

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books.google.com

nytimes.com

  • «Who Made That Granola?». New York Times. 23 de marzo de 2012. Consultado el 23 de diciembre de 2013. «In 1863, Dr. James Caleb Jackson, a health reformer who believed illness was rooted in the stomach, began experimenting with cold cereal to augment the mineral-spring treatments at his sanitarium in upstate New York. ...»