1. Spirit photography was made popular in the late 19th century by William H. Mumler
  2. Mary Baker Eddy, Science and Health with Key to the Scriptures (Boston: The Christian Science Board of Directors), 71.
  3. To learn more, see “Mary Baker Eddy’s Diamond Cross Pin.”
  4. Notes From The Publishing House: Timothy Cole Picture Of Mary Baker Eddy,” The Christian Science Journal, April 1925.
  5. Mary Baker Eddy to Septimus J. Hanna, 23 March 1892, L04927, https://mbepapers.org/?load=L04927
  6. James F. Gilman, “Reminiscences of Mary Baker Eddy,” n.d., Reminiscence, 23, 25.
  7. Mary Baker Eddy to Edward P. Bates, May 18, 1893, L08153, https://mbepapers.org/?load=L08153
  8. Mary Baker Eddy to Ebenezer J. Foster Eddy, May 18, 1893, L01792, https://mbepapers.org/?load=L01792
  9. James F. Gilman, “Reminiscences of Mary Baker Eddy,” n.d., Reminiscence, 23–24.
  10. Donald Burns to Sereno A. Bowers, June 15, 1893, 652B.68.039, https://mbepapers.org/?load=652B.68.039
  11. Calvin A. Frye to Edward A. Kimball, June 19, 1893, L09277, https://mbepapers.org/?load=L09277
  12. Joining The Mother Church,” Journal, June 1893.
  13. Edward A. Kimball to Mary Baker Eddy, July 15, 1893, 155AP1.24.030, https://mbepapers.org/?load=155AP1.24.030
  14. Mary Baker Eddy to M. Bettie Bell, April 21, 1894, L09930, https://mbepapers.org/?load=L09930
  15. Mary Baker Eddy to Hannah A. Larminie, May 5, 1894, L06096, https://mbepapers.org/?load=L06096
  16. Eddy, Science and Health with Key to the Scriptures (Boston: Christian Science Board of Directors), 453).