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/02141536 XV.VIII.235
[02141536]
Torino, Biblioteca Nazionale Universitaria (IT)
: XV.VIII.235