Columbia subject headings:
Harvard subject headings:
Manuscripts, Greek--Facsimiles.
Manuscripts, Latin--Facsimiles.
Paleography
Princeton subject headings:
Catholic Church--History--Sources.
Facsimiles.
Manuscripts, Greek--Facsimiles.
Manuscripts, Greek--Vatican City.
Manuscripts, Latin--Facsimiles.
Manuscripts, Latin--Vatican City.
Paleography.