1. The science of chiropractic: its principles and adjustments;Palmer,1906
2. The principles and practice of surgery;Smith,1863
3. Chiropractic: an illustrated history;Peterson,1995
4. American School of Chiropractic advertisement. The Columbus medical journal: a medical magazine for the home. 1908;32:516.
5. Modernized chiropractic;Smith,1906