| Subjects term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Medical personnel--Malpractice | 11 | 0 | |
| Medical policy | 1 | 0 | |
| Medical screening | 1 | 0 | |
| Medicine (10) | 10 | 0 | |
| Medicine--History | 1 | 0 | |
| Medicine--Research (2) | 1 | 0 | |
| Medicine--Study and teaching | 5 | 0 | |
| Melrose -- 19th Century | 1 | 0 | |
| Meteorology -- 19th century | 2 | 0 | |
| Microdensitometer | 1 | 0 |