Barbara Wells Sarudy, "South Carolina Seed Merchants and Nurserymen Before 1820," Magnolia: Bulletin of the Southern Garden History Society 8, no. 3 (Winter 1992): 7.
“Thomas Jefferson to Charles Thomson, 10 May 1786,” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-09-02-0415. [Original source: The Papers of Thomas Jefferson, vol. 9, 1 November 1785 – 22 June 1786, ed. Julian P. Boyd. Princeton: Princeton University Press, 1954, pp. 505–506.]
"Watson's Garden: The Horticultural Roots of Courier Square," Charleston County Public Library, https://www.ccpl.org/charleston-time-machine/watsons-garden-the-horticultural-roots-of-courier-square, accessed 4 May 2026.
