The essay that aims to contribute to the history of the relations between writing and alphabetism in Abruzzo in the 10th century, derives from a section (pp. CXLI-CLXX) of the “Historical, Paleographical and Archival Introduction” to the volume published by the author in 2003. The immediate geo-monastic context is that of S. Liberatore alla Maiella, the largest of the dependencies of Montecassino in Abruzzo, and one of the most notable prepositions among the about sixty that belonged to the Cassino monastery in central-southern Italy. The more general objective is to make known the entire archives of S. Liberatore, both that of the medieval age with the aforementioned volume, and that of the modern age with the next one, which appeared in 2006. This specific series of the Cassino Archives, gravitating around S. Liberatore but also relating to other minor monastic centers in the Abruzzo area, and which today occupies capsules from XCIX to CIV, contains a total of 801 documents. Among these are some particularly known to scholars – especially after the works of Enrico Carusi (1929, 1932) and Herbert Bloch (1986) – such as the “Memoratorium” by Abbot Bertario († 883) and the “Commemoratorium” – inventory of the Maiellese preposit, then abbot of Montecassino Teobaldo († 1035/1037). Some have reserved interesting discoveries, such as the current caps. XCIX, fasc. I, No. 4, a charter of July 936, which contains the oldest autograph subscription (“Ego qui supra arechisi iudex”) of Arechi, judge of the city of Capua, the same one who signed the famous placith of 960, the first official testimony of the Italian vulgar. Others constitute a core of homogeneous documents (nos. 7, 8, 9, 10, 12, 13) whose full edition has finally offered in a complete way the oldest collection of agricultural contracts of Montecassino (from 950 to 984), especially in the form of levels (generally twenty-nine), the most widespread for the management of lands in Cassino, having a lease character with the consideration of a fee proportionate to the land. On this historical and documentary warp weaved the paleographic profile illustrated by this essay, about the meaning that the oldest maps (sec. X) by S. Liberatore for the history of the relationship between writing and alphabetism in Abruzzo, thanks to the autograph subscriptions of those who take part in the act mainly as witnesses, but also in some cases as authors of the act itself. The examination of 33 published documents – with the exception of paragraph 1 not genuine – dated between 935 and 1000, revealed a total of 104 original handwritten subscriptions and 7 copies. Notable is the number of lay underwriters (69) compared to the clergy (18). The lay writers make use in a very large part of the tiny: basic Elementary (15), between the Basic Elementary and the usual (23), usual (25), and only in rare cases of the usual Beneventana (6). Prevailing among the ecclesiastics (all of Cassino area or southern Longobardia) the Beneventana: usual (10) or books (2); the remaining ecclesiastics, registered in the Abruzzo area, subscribe in minuscule: between the basic and the usual (1), and the usual (3). The paleographic analysis of the maps analysed leads to the following conclusions: there are two distinct cultural areas, one reflection of Southern Longobardy, the other of local derivation in which a tiny one is used that refers to a basic if not rudimentary graphic education. It is therefore necessary to record the existence of a band of subjects to whom the practice of writing is customary, which also recognises the symbolic value, for example in the case of personalisation of the “signum crucis”; on the other hand, the use of the Beneventana, typical of the territory to which Montecassino belonged, appears reserved for a minority of ecclesiastical origin.