Mississippi Probate Records, 1781-1930: https://www.familysearch.org/search/collection/2036959
Mississippi African American Ancestry Resources, Family Search: https://www.familysearch.org/en/wiki/African_American_Resources_for_Mississippi
Library of Congress, African American Research Resources: https://guides.loc.gov/mississippi-local-history-genealogy/digital-collections
Digital Library on American Slavery: http://dlas.uncg.edu/
Harry v. Decker and Hopkins (Mississippi court cases involving slavery): https://en.wikipedia.org/wiki/Harry_v._Decker_%26_Hopkins
Mississippi Census Data 1800-1950: https://www.familysearch.org/en/wiki/Mississippi_Census
Mississippi State Census Records: https://raogk.org/census-records/mississippi/
Stephen Duncan, Large MS Slave Owner, Dickinson College: https://housedivided.dickinson.edu/sites/slavery/people/stephen-duncan/
1850 Slave Schedules: https://www.familysearch.org/search/collection/1420440
1860 Slave Schedule: https://www.familysearch.org/search/collection/3161105
Rootsweb Mississippi Plantations: https://sites.rootsweb.com/~afamerpl/plantations_usa/MS/MS_plantations.html