Some articles on zibaldone:

Commonplace Book - History - Zibaldone
... development of two new forms of book production the deluxe registry book and the zibaldone (or hodgepodge book) ... the most sophisticated examples of the genre, defined it as a "salad of many herbs." Zibaldone were always paper codices of small or medium format – never the large desk copies of ... Rather than miniatures, zibaldone often incorporate the author's sketches ...