Columbia subject headings:
Aragon (Spain)--History--Sources.
Manuscripts--Facsimiles.
Manuscripts--Italy--Catalogs.
Manuscripts--Spain--Catalogs.
Paleography--Handbooks, manuals, etc.
Harvard subject headings:
Aragon (Spain)--History--Sources.
Manuscripts--Facsimiles
Manuscripts--Italy--Catalogs
Manuscripts--Spain--Catalogs
Paleography--Handbooks, manuals, etc.
Princeton subject headings: