At its core, the BHL is focused on the subject matter relevant to the work of zoologists, botanists, evolutionary biologists, taxonomists, systematists, ecologists, natural history collections managers, scientific illustrators, biological science historiographers, and amateur scientists & hobbyists.
Titles published between 1581 and 1699: http://www.biodiversitylibrary.org/browse/year/1581/1699#/titles
Scholarly Resources: