1. Cranial Vertebrae;Weaver;J Am Osteopath Assoc,1936
2. The roots of cranial manipulation: Nephi Cottam and ‘craniopathy’;Cottam;Chiropr Hist,1981
3. Contributions of thought: collected writings of William Garner Sutherland, D.O;Sutherland,1998
4. Swedenborg and his influence;Brock,1988
5. The faces of homeopathy;Winston,1999