Note 32 — Instruments of Metal
Reading edition
Clarence S. Brigham, Paul Revere's Engravings (Worcester, Mass.: American Antiquarian Society, 1954), p. 118; Bernard W. Wienberger, Introduction to the History of Dentistry (St. Louis, Mosby Co., 1948), 2 vols., vol. 2, pp. 119-134; Isaac J. Greenwood, The Greenwood Family, 1934, pp. 68-78.