1. Mary Baker Eddy to Samuel Putnam Bancroft, 22 January 1875, V03056.
  2. Mary Baker Eddy, Science and Health, 1st ed. (Boston: Christian Scientist Publishing Company, 1875), 295.
  3. Eddy to Bancroft, January 1875, V03041.
  4. Eddy, Science and Health, 1st ed., 321-22; for Eddy’s final version, see Science and Health with Key to the Scriptures (Boston, 1906), 63.
  5. Eddy to Daniel H. Spofford, 1 February 1875, L07804.
  6. Eddy, Science and Health, 1st ed., 5.