The following links were used for the development of historical information in the biographies:
https://tnwomansuffrageheritagetrail.com/timeline/
https://www.nps.gov/articles/african-american-women-and-the-nineteenth-amendment.htm
https://www.womenshistory.org/celebrating-centennial/suffragist-biographies eagerly
https://npg.si.edu/exhibition/votes-for-women
https://matildajoslyngage.org/about-gage
https://www.womenshistory.org/education-resources/biographies
https://www.thesojournertruthproject.com/compare-the-speeches/
https://www.history.com/topics/black-history/sojourner-truth
https://www.nps.gov/people/zitkala-sa.htm
https://tennesseeencyclopedia.net/entries/
https://documents.alexanderstreet.com/d/1009932459
https://tennesseeencyclopedia.net/entiries/catherine-talty-kenny/
https://www.neh.gov/article/how-black-suffragists-fought-right-vote-and-modicum-respect