| Advertising | 9 |
| Nonprescription Drugs/history | 9 |
| Patent medicines | 9 |
| Tonics (Medicinal preparations) | 6 |
| Dyspepsia/drug therapy | 4 |
| Cough/drug therapy | 3 |
| Malaria/drug therapy | 3 |
| Common Cold/drug therapy | 2 |
| Fever/drug therapy | 2 |
| Anemia, Iron-Deficiency/drug therapy | 1 |
| Animals in advertising | 1 |
| Asthma/drug therapy | 1 |
| Back Pain/drug therapy | 1 |
| Cats in advertising | 1 |
| Children in advertising | 1 |
| Dogs in advertising | 1 |
| Headache/drug therapy | 1 |
| Helminths | 1 |
| Iron | 1 |
| Iron/deficiency | 1 |
| Iron/therapeutic use | 1 |
| Kidney Diseases/drug therapy | 1 |
| Liver Diseases/drug therapy | 1 |
| Neuralgia/drug therapy | 1 |
| Parasitic diseases/drug therapy | 1 |
| Pharyngitis/drug therapy | 1 |
| Pleurisy/drug therapy | 1 |
| Rheumatic Diseases/drug therapy | 1 |
| Toothache/drug therapy | 1 |
| Whooping Cough/drug therapy | 1 |
