| Advertising | 22 |
| Malaria/drug therapy | 22 |
| Patent medicines | 22 |
| Nonprescription Drugs/history | 21 |
| Dyspepsia/drug therapy | 15 |
| Liver Diseases/drug therapy | 12 |
| Tonics (Medicinal preparations) | 12 |
| Headache/drug therapy | 7 |
| Rheumatic Diseases/drug therapy | 7 |
| Animals in advertising | 6 |
| Common Cold/drug therapy | 6 |
| Children in advertising | 5 |
| Constipation/drug therapy | 5 |
| Cough/drug therapy | 5 |
| Kidney Diseases/drug therapy | 5 |
| Stomach Diseases/drug therapy | 5 |
| Asthma/drug therapy | 4 |
| Bronchitis/drug therapy | 4 |
| Colic/drug therapy | 4 |
| Diarrhea/drug therapy | 4 |
| Dysentery/drug therapy | 4 |
| Fever/drug therapy | 4 |
| Hair Preparations/therapeutic use | 4 |
| Neuralgia/drug therapy | 4 |
| Dogs in advertising | 3 |
| Anxiety/drug therapy | 2 |
| Depression/drug therapy | 2 |
| Sarsaparilla | 2 |
| Smilax | 2 |
| Tuberculosis, Lymph Node/drug therapy | 2 |
| Typhoid fever/drug therapy | 2 |
| Callosities | 1 |
| Catarrh | 1 |
| Cinchona | 1 |
| Dyspepsia | 1 |
| Erysipelas/drug therapy | 1 |
| Iron | 1 |
| Iron/therapeutic use | 1 |
| Jaundice/drug therapy | 1 |
| Malaria--Chemotherapy | 1 |
| Perfume | 1 |
| Pharyngitis/drug therapy | 1 |
| Phytotherapy | 1 |
| Plant Preparations/therapeutic use | 1 |
| Rheumatic Diseases | 1 |
| Syphilis/drug therapy | 1 |
| Warts/drug therapy | 1 |
| gout/drug therapy | 1 |
