ลุงแซมเป็นใคร ทำไมกลายเป็นชื่อเล่นอเมริกา? | Point of View

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- Fried, D. (2020, August 11). Thomas Nast's Thanksgiving Vision of American Identity. Retrieved September 20, 2020, from https://www.theatlantic.com/ideas/archive/2018/11/uncle-sams-thanksgiving-dinner/575863/

- History.com (Ed.). (2009, November 24). United States nicknamed Uncle Sam. Retrieved September 20, 2020, from https://www.history.com/this-day-in-history/united-states-nicknamed-uncle-sam

- History.com (Ed.). (2009, October 27). War of 1812. Retrieved September 20, 2020, ...