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.
mei/02126288 RI Shocken 37
[02126288]
Jerusalem, National Library of Israel (IL)
: RI Shocken 37