Note 40 — George B. Griffenhagen
Reading edition
For biographies of Sylvester Gardiner see Dictionary of American Biography, New York, 1931, vol. 8, pp. 139-140; Appleton's Cyclopedia of American Biography, New York, 1887, vol. 2; H. A. Kelly and W. L. Burrage, Dictionary of American Medical Biography, New York, 1928, pp. 450-452; James H. Stark, The Loyalists of Massachusetts, Boston, 1910, pp. 313-315.