(en) Joseph C. Keating Jr., « D.D. Palmer's Religion of Chiropractic », Archives of the David D. Palmer Health Sciences Library in Davenport, Iowa, (lire en ligne [PDF])
doi.org
dx.doi.org
Jason W. Busse, Lon Morgan et James B. Campbell, « Chiropractic Antivaccination Arguments », Journal of Manipulative and Physiological Therapeutics, vol. 28, no 5, , p. 367–373 (ISSN0161-4754, DOI10.1016/j.jmpt.2005.04.011, lire en ligne, consulté le )
doi.org
Jason W. Busse, Lon Morgan et James B. Campbell, « Chiropractic Antivaccination Arguments », Journal of Manipulative and Physiological Therapeutics, vol. 28, no 5, , p. 367–373 (ISSN0161-4754, DOI10.1016/j.jmpt.2005.04.011, lire en ligne, consulté le )
Jason W. Busse, Lon Morgan et James B. Campbell, « Chiropractic Antivaccination Arguments », Journal of Manipulative and Physiological Therapeutics, vol. 28, no 5, , p. 367–373 (ISSN0161-4754, DOI10.1016/j.jmpt.2005.04.011, lire en ligne, consulté le )
researchgate.net
(en) Donald Mcdowall, Marilyn Chaseling, Elizabeth Noela Emmanuel et Grace Sandra, « Daniel David Palmer, the Father of Chiropractic: His Heritage Revisited. A Story of Enlightenment, Spiritualism and Innovation », Journal of the Association for the History of Chiropractic, (lire en ligne [PDF])