1. “A Professional Planter.” 1811. Practical Rules for the Management and Medical Treatment of Negro Slaves, in the Sugar Colonies. London: J. Barfield.
2. “A Toxic Theory of Pain.” 1906. The British Journal of Nursing, April 28, 33.
3. Beecher, Henry K. 1946. “Pain in Men Wounded in Battle.” Annals of Surgery 123(1): 96–105.
4. -----. 1952. “Experimental Pharmacology and Measurement of the Subjective Response.” Science 116 (3007): 157–62.
5. Bennett, Sir William. 1908. “Some Clinical Aspects of Pain and especially in Reference to its Spontaneous Disappearance.” British Medical Journal, July 4, 1–4.