1. Abel, Emily K. “Medical Professionals (Sometimes) Step In.” The Inevitable Hour: A History of Caring for Dying Patients in America. Baltimore: Johns Hopkins UP, 2013. 22–35. Print.
2. Alligood, Martha Ralle. Nursing Theorists and Their Work, 8th ed. St. Louis: Mosby-Elsevier, 2014. Print.
3. Bartrip, P. W. J. “Thomson, Anthony Todd (1778–1849).” Oxford Dictionary of National Biography. Oxford: Oxford UP, 2004. Web. May 31, 2014.
4. Battersby, Christine. Gender and Genius: Towards a Feminist Aesthetics. Bloomington: Indiana UP, 1989. Print.
5. Beal, Jane. “Martha Ballard : A Midwife of Maine, 1778–1812.” Midwifery Today 104 (2012): 34–35. Print.