Special thanks to the Virginia Humanities & University of Virginia for their project - Slavery Images: Visual Record of the African Salve Trade and Salve Life in the Early African Diaspora.
#1: Charles Van Tenac, editor, Historie Generale de la Marine Comprenant les Voyages Autour du Monde (Paris 1847-48, vol. 4).
#2: Melanges sur l'Amerique, 4th pamphlet, vol. 15, John Carter Brown Library, Brown University
#3: Francis B. Spilsbury (London, 1807). Special Collections Department, University of Virginia Library.
#4: John A. Waller, A Voyage to the West Indies (London, 1820).