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- Barry, J. M. (2017, November). How the Horrific 1918 Flu Spread Across America. Smithsonian Magazine. https://www.smithsonianmag.com/history/journal-plague-year-180965222/

- Brown, J. (2018, December 18). The 1918 Influenza Pandemic: How Far Have We Come? Scientific American. https://blogs.scientificamerican.com/observations/the-1918-influenza-pandemic-how-far-have-we-come/

- Editors of Merriam-Webster. (2019, December 16). Flu Season: The History of ‘Influenza.’ The Merriam-Webs...