International bibliography on the history of science and technology from pre-history to the present, describing journal articles, conference proceedings, books, book reviews, and dissertations in the history of science, technology, and medicine and allied historical fields.

The premier database for bibliographic coverage of biomedical literature, including scholarly medical literature addressing historical issues and events.

Bibliographic citations with subject indexing to the holdings of largest medical library in the late nineteenth century. Describes books, journal articles, dissertations, pamphlets, reports, newspaper clippings, case studies, obituary notices, letters, portraits, as well as rare books and manuscripts in many languages, ranging in date from 1400s to 1950.