Every item of data recorded (a certain style of decoration or binding, the date of a manuscript note, etc.) is treated as a valuable clue for provenance, therefore it can be geographically located and chronologically dated. This enables to track the movement of books across Europe and through the centuries.
This database was updated on April 11th, 2023. This update included a new version of the password manager.
If your last login was before April 11th, you have to re-create a password in order to be able to use the database again.
If you already re-created your password after April 11th, you can ignore this message and log-in.