Liber Censuum [SEP] collection
preceded it, and it includes empty spaces for anticipated updating. The intent was to allow future "camerarii" to add future entries "until the end of the world". The original version of the "Liber Censuum" was identified by Paul Fabre in the Vatican Library ("ms Vat. Lat." 8486), with its blank spaces having been exhausted during the pontificate of Cencius (who was elected Pope Honorius III) and five new volumes having been added to the beginning and end of the document. A
14-18).
The dating of the "Liber Censuum" to 1192 comports with the date given in the work's prologue, although this date may only be accurate for the record of taxes owed to the Holy See. For example, the "Vita Gregorii IX" was inserted into the codex of the "Liber Censuum" between 1254 and 1265, likely during the tenure of Pope Gregory IX's nephew Niccolò as "camerarius" between 1255 and 1261.
The original version of the "Liber Censuum"