| Journal Index Directories | |
| current | Index Medicus List of Journals Indexed |
| Journal Indexes | |
| 1960-current | Index Medicus / Cumulated Index Medicus / Medline |
| 1979-current | Agricola |
| 1982-current | Microbiology Abstracts |
| Online Databases | |
| 1960-current | Index Medicus / Cumulated Index Medicus / Medline |
| 1979-current | Agricola |
| 1982-current | Microbiology Abstracts |