Oxford readers now have access to the online Frankfurt and Leipzig Book Fair Catalogues via SOLO and OxLIP+. It has the digitized versions (from microfilm) of the catalogues for the Frankfurt and Leipzig book fairs, representing an almost complete run from 1594 to 1860. As well as a historical bibliographical tool relevant to those researching early modern and 19th century history, history of science and medicine, etc. it is also a useful primary source for the history of scholarship, of literature, of publishing and of the intellectual development of central Europe.
More on this, including a list of the catalogues included.