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Subclass RZ
| RZ201-999 | Other systems of medicine | |
| RZ201-275 | Chiropractic | |
| RZ301-397.5 | Osteopathy | |
| RZ399 | Osteo-magnetics, neuropathy, etc., A-Z | |
| RZ400-408 | Mental healing | |
| RZ409.7-999 | Miscellaneous systems and treatments Including magnetotherapy, mesmerism, naturopathy, organomic medicine, phrenology, radiesthesia | |
