Surgeons in the United States and Canada . Minneapolis: Midwest, 1931.
“Ruffin, Sterling.” Obituary. Medical Annals of the District of Columbia 18 (1949).
“Ruffin, Sterling.” Obituary. Transactions of the American Clinical Climatological Association 61 (1949): xlv-xlvi.
Russell, Francis. The Shadow of Blooming Grove: Warren G. Harding in His Times . New York: McGraw-Hill, 1968.
Russell, Jan Jarboe. Lady Bird: A Biography of Mrs. Johnson . New York: Scribner, 1999
Russell, Thomas R. “Remembering Oliver H. Beahrs.” Oncology Times 28, no. 7 (April 10, 2006): 33–34.
Rutenberg, Jim. “The First Lady’s Skin Cancer.” The Caucus, http://thecaucus.blogs.nytimes.com/2006/12/19/the-first-ladys-skin-cancer (accessed August 31, 2013).
Rutkow, Ira M. “Philip Syng Physick.” Archives of Surgery 136, no. 8 (August 2001), 968.
Sai-Ching, Jim Yeung. “Graves’ Disease.” Medscape. http://emedicine.medscape.com/article/120619-overview#a0199 (accessed January 7, 2014).
Sale, Sara L. Bess Wallace Truman: Harry’s White House “Boss.” Lawrence: University Press of Kansas, 2010.
Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years . New York: Harcourt Brace Jovanovich, 1954.
Saunders, Francis Wright. Ellen Axson Wilson: First Lady Between Two Worlds . Chapel Hill: University of North Carolina Press, 1985.
Savitt, Todd L. Fevers, Agues, and Cures: Medical Life in Old Virginia, an Exhibition . Richmond: Virginia Historical Society, 1990.
_____, and James Harvey Young, eds. Disease and Distinctiveness in the American South . Knoxville: University of Tennessee Press, 1988.
“Sawyer, Carl.” Obituary. Journal of the American Medical Association 196, no. 3 (June 27, 1966): 154.
“Sawyer, Carl.” Polk’s Medical Registry and Directory , 1917.
Scarry, Robert J. Millard Fillmore . Jefferson, NC: McFarland, 2001.
Schneider, Dorothy, and Carl Schneider. First Ladies: A Biographical Dictionary . New York: Facts on File, 2001.
Scott, Paula Spencer. “Nancy Reagan’s Fall Wasn’t Her First.” http://www.caring.com/blogs/fyi-daily/nancy-reagans-fall-wasnt-her-first (accessed July 14, 2013).
Seager, Robert, II. And Tyler Too: A Biography of John and Julia Gardiner Tyler . New York: McGraw-Hill, 1963.
Severance, Frank H., ed. Millard Fillmore Papers , vol. 2. Buffalo: Buffalo Historical Society, 1907.
Severn, Bill. Frontier President: The Life of James K. Polk . New York: Ives Washburn, 1965.
Sewall, Thomas. Examination of Phrenology . Washington City: Honans, 1837.
Shaw, John. Lucretia . New York: Nova History, 2004.
Shepherd, Jack. Cannibals of the Heart: A Personal Biography of Louisa Catherine and John Quincy Adams . New York: McGraw-Hill, 1980.
Shultz, Suzanne. Body Snatching: The Robbing of Graves for the Education of Physicians in Early Nineteenth Century America . Jefferson, NC: McFarland, 1992.
Sievers, Harry J. Benjamin Harrison: Hoosier President . Newtown, CT: American Political Biography, 1996.
Sievers, Harry J., S.J. Benjamin Harrison: Hoosier Statesman . New York: University, 1959.
_____. Benjamin Harrison: Hoosier Warrior . Chicago: Henry Regnery, 1952.
Smith, Elbert B. The Presidencies of Zachary Taylor and Millard Fillmore . Lawrence: University Press of Kansas, 1988.
Smith, F.B. The Retreat of Tuberculosis, 1850–1950 . London: Croom Helm, 1988.
Smith, Gene. When the Cheering Stopped: The Last Years of Woodrow Wilson . New York: William Morrow, 1964.
Smith, Jean Edward. Grant . New York: Simon & Schuster, 2001.
Smith, Sally Bedell. Grace and Power: The Private World of the Kennedy White House . New York: Random House, 2004.
“Smoking Tied to Miscarriage Risk.” http://www.abs-cbnnews.com/lifestyle/01/01/11/smoking-tied-miscarriage (accessed April 22, 2013).
Smyth, Peter, PA. “Graves, Robert James, 1796–1853.” Milestones in European Thyroidology. European Thyroid Association. http://www.eurothyroid.com/about/met/graves.php (accessed 9 June
Christopher Sirmons Haviland