Andrews, Evan. “10 Little-Known Facts about the Lewis and Clark Expedition.” History.com, A&E Television Networks, 26 Oct. 2015, https://www.history.com/news/10-little-known-facts-about-the-lewis-and-clark-expedition. Accessed 31 March 2022.
“Benjamin Rush.” Wikipedia, Wikimedia Foundation, https://en.wikipedia.org/wiki/Benjamin_Rush#Corps_of_Discovery. Accessed 31 March 2022.
Blakemore, Erin. “The Louisiana Purchase Was a Bargain. But It Came at a Great Human Cost.” History, National Geographic, 30 Apr. 2020, https://www.nationalgeographic.com/history/article/louisiana-purchase-bargain-came-great-human-cost. Accessed 31 March 2022.
Duncan, Dayton and Ken Burns. Lewis and Clark: The Journey of the Corps of Discovery – An Illustrated History. Alfred A. Knopf, Inc., 1997, New York.
Florentine Films and WETA. Lewis & Clark: The Journey of the Corps of Discovery. Directed by Ken Burns, PBS Home Video, 1997.
Hays, Tony. “The Death of Meriwether Lewis: Suicide or Murder?” Criminal Element, 4 Apr. 2013, https://www.criminalelement.com/the-death-of-meriwether-lewis-suicide-or-murder-tony-hays/. Accessed 31 March 2022.
History Channel. The Technology of Lewis and Clark. Directed by Geoffrey Madeja, A&E Television Networks, 2003.
Hunter, Frances. “The Four Sergeants of the Lewis & Clark Expedition.” Frances Hunter's American Heroes Blog, 27 Jan. 2010, https://franceshunter.wordpress.com/2010/01/27/the-four-sergeants-of-the-lewis-clark-expedition/. Accessed 31 March 2022.
“The Journals of Lewis and Clark Quotes by Meriwether Lewis.” Goodreads, Goodreads, https://www.goodreads.com/work/quotes/2761980-the-journals-of-lewis-and-clark. Accessed 31 March 2022.
Lewis, Meriwether and William Clark. The Journals of Lewis and Clark. Penguin Books LTD., 2002. Original publication date 1814.
“Lewis and Clark Expedition.” Wikipedia, Wikimedia Foundation, https://en.wikipedia.org/wiki/Lewis_and_Clark_Expedition. Accessed 31 March 2022.
“Lewis and Clark's Journals of Exploration | Study Guide.” Lewis and Clark's Journals of Exploration Quotes | Course Hero, https://www.coursehero.com/lit/Lewis-and-Clarks-Journals-of-Exploration/quotes/. Accessed 31 March 2022.
“The Louisiana Purchase.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., https://www.britannica.com/biography/James-Monroe/The-Louisiana-Purchase. Accessed 31 March 2022.
“The Louisiana Purchase: Jefferson's Constitutional Gamble.” National Constitution Center – Constitutioncenter.org, NCC Staff, 21 Oct. 2021, https://constitutioncenter.org/blog/the-louisiana-purchase-jeffersons-constitutional-gamble. Accessed 31 March 2022.
“The Louisiana Purchase: Napoleonic France Acquires Louisiana.” The Library of Congress, https://www.loc.gov/collections/louisiana-european-explorations-and-the-louisiana-purchase/articles-and-essays/the-louisiana-purchase/. Accessed 31 March 2022.
McCutchen, Jennifer Monroe. “Proclamation Line of 1763.” George Washington's Mount Vernon, https://www.mountvernon.org/library/digitalhistory/digital-encyclopedia/article/proclamation-line-of-1763/. Accessed 31 March 2022.
Mussulman, Joseph A., and Pierce Mullen. “Postscript to the Purchase.” Discover Lewis & Clark, http://lewis-clark.org/louisianas-purchase/postscript-to-the-purchase/. Accessed 31 March 2022.
“Napoleonic Wars and the United States, 1803–1815.” U.S. Department of State, U.S. Department of State, https://history.state.gov/milestones/1801-1829/napoleonic-wars. Accessed 31 March 2022.
“Rivers, Edens, Empires: Lewis & Clark and the Revealing of America Lewis & Clark.” Library of Congress, 24 June 2003, https://www.loc.gov/exhibits/lewisandclark/lewis-landc.html. Accessed 31 March 2022.
“United States and France Conclude the Louisiana Purchase.” History.com, A&E Television Networks, 9 Feb. 2010, https://www.history.com/this-day-in-history/louisiana-purchase-concluded. Accessed 31 March 2022.
Weiser-Alexander, Kathy. “The Mysterious Death of Meriwether Lewis.” Legends of America, https://www.legendsofamerica.com/ah-meriwetherlewis/. Accessed 31 March 2022.