British Library Leyden Medical Dissertations Collection
The British Library Leyden Medical Dissertations Collection is a collection of medical dissertations submitted to Dutch universities at Amsterdam, Utrecht, Harlingen, and Leyden. It includes, in particular, a fine set of Leyden medical dissertations and disputations for the period 1593 to 1746.
Source: Wikipedia — British Library Leyden Medical Dissertations Collection (CC BY-SA 4.0)