D'Ambrosio, Brian. From Football to Fig Newtons: 76 American Inventors and The Inventions You Know By Heart. Lulu.com. էջ 61. ISBN9781105737725. «William Kitchiner's The Cook's Oracle includes a recipe for what can only be described as a potato chip. Whether one called it a potato chip or not, it would seem that a thinly sliced potato cooked in hot oil and served sprinkled with salt existed before George Speck or his sister Katie Speck Wicks "invented" the potato chip.»
Gruse, Doug (2009 թ․ նոյեմբերի 25). «Chipping Away at History». Post-Star. Glens Falls, New York. «Speck and Wicks both identified as members of the St. Regis Mohawk tribe. Their children also considered themselves to be American Indians.»
