Vincent Brown, The Reaper’s Garden: Death and Power in the World of Atlantic Slavery (Cambridge, Mass., 2008), chapter 5: “The Soul of the British Empire” (pp. 157-200). Electronic version here

Lorena S. Walsh, Motives of Honor, Pleasure & Profit: Plantation Management in the Colonial Chesapeake, 1607-1763 (Chapel Hill, 2009), 194-227 here