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
Bibliopolis: History of the Printed Book in the Netherlands.The electronic national history of the printed book in the Netherlands
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
