| R - Medicine | |
| RA - Public aspects of medicine | |
| RB - Pathology | |
| RC - Internal medicine | |
| RD - Surgery | |
| RE - Ophthalmology | |
| RF - Otorhinolorayngology | |
| RG - Gynecology and obstetrics | |
| RJ - Pediatrics | |
| RK - Dentistry | |
| RL - Dermatology | |
| RM - Therapeutics, Pharmacology | |
| RS - Pharmacy | |
| RT - Nursing | |
| RV - Botanic, Thomsonian, and eclectic medicine | |
| RX - Homeopathy | |
| RZ - Other systems of medicine | |
