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.
TitelVita et transitus (i.e., Eusebius Cremonensis: Epistola de morte Hieronymi; Aurelius Augustinus, S: Epistola de magnificentiis Hieronymi; Cyrillus: De miraculis Hieronymi)
Erscheinungsvermerk[Padua : Printer of Hieronymus, 'Vita et transitus', about 1475-80]