SHARP-L. The discussion group of the Society for the History of Authorship, Reading and Publishing
Waddleton Chronology of Colour Printed Illustrations. Norman Waddleton
Early Printed Books Project. University of Oxford
Book History Online: An International Bibliography (Koninklijke Bibliotheek). Searchable database
HENRIK: Books and their Owners in Finland to 1809. Finnish Lit. Soc. & Project Henrik. Database
The Digital Scriptorium, Database. University of California Berkeley
