Tadman, Michael (2000). "The Demographic Cost of Sugar: Debates on Slave Societies and Natural Increase in the Americas". The American Historical Review. 105 (5): 1534–75. doi:10.2307/2652029. JSTOR2652029.
Rivers, Larry E. (1981), "Slavery in Microcosm: Leon County, Florida, 1824 to 1860", Journal of Negro History, 66 (3): 235–245, at p. 237, doi:10.2307/2716918, JSTOR2716918, S2CID149519589
Tadman, Michael (2000). "The Demographic Cost of Sugar: Debates on Slave Societies and Natural Increase in the Americas". The American Historical Review. 105 (5): 1534–75. doi:10.2307/2652029. JSTOR2652029.
Rivers, Larry E. (1981), "Slavery in Microcosm: Leon County, Florida, 1824 to 1860", Journal of Negro History, 66 (3): 235–245, at p. 237, doi:10.2307/2716918, JSTOR2716918, S2CID149519589
Rivers, Larry E. (1981), "Slavery in Microcosm: Leon County, Florida, 1824 to 1860", Journal of Negro History, 66 (3): 235–245, at p. 237, doi:10.2307/2716918, JSTOR2716918, S2CID149519589
Patricia, Reid (2012). "Margaret Morgan's Story: A Threshold between Slavery and Freedom, 1820–1842". Slavery and Abolition. 33 (3): 360–362. doi:10.1080/0144039x.2011.606628. S2CID143137075.