1. Emily Post, Etiquette in Society, in Business, in Politics and at Home (New York: Funk & Wagnalls, 1922), 73.
  2. Florence Hartley, The Ladies Book of Etiquette and Manual of Politeness (Boston: Lee and Shepard, 1873), 81-86.
  3. Mary Baker Eddy to Elizabeth Webster, 18 October 1886, L03976.