Robuta

https://billofrightsinstitute.org/activities/lincoln-douglass-debates-1858/

https://teachingamericanhistory.org/document/the-lincoln-douglas-debates-6th-debate-part-ii/

https://www.nps.gov/liho/learn/historyculture/debates.htm?ref=quillette.com

https://archive.org/details/lincolndouglasde00linc?view=theater&ui=embed&wrapper=false