Columbia subject headings:
Harvard subject headings:
Biblioteca apostolica vaticana--Catalogs.
Inscriptions, Latin--Italy--Abruzzi--History--Sources--Bibliography--Catalogs.
Inscriptions, Latin--Italy--Abruzzi--Manuscripts--Catalogs.
Manuscripts, Latin (Medieval and modern)--Vatican City--Catalogs.
Princeton subject headings:
Inscriptions, Latin--Italy--Abruzzo--Case studies.
Manuscripts--Library resources--Vatican City--Case studies.