Columbia subject headings:
Manuscripts, Italian--Spain--Catalogs.
Manuscripts, Latin (Medieval and modern)--Spain--Catalogs.
Petrarca, Francesco, 1304-1374--Manuscripts--Catalogs.
Harvard subject headings:
Manuscripts, Italian--Spain--Catalogs.
Manuscripts, Latin (Medieval and modern)--Spain--Catalogs.
Petrarca, Francesco, 1304-1374--Manuscripts--Catalogs.
Princeton subject headings:
Manuscripts, Italian--Spain--Catalogs.
Manuscripts, Latin (Medieval and modern)--Spain--Catalogs.
Petrarca, Francesco, 1304-1374--Manuscripts--Catalogs.