Columbia subject headings:
Catholic Church--Liturgy--Texts--Manuscripts--Catalogs.
Manuscripts--Spain--Catalogs.
Harvard subject headings:
Catholic Church--Liturgy--Texts--Manuscripts--Catalogs.
Manuscripts, Latin (Medieval and modern)--Spain--Catalogs.
Manuscripts--Spain--Catalogs
Princeton subject headings:
Catalogs.
Catholic Church--Liturgy--Manuscripts--Catalogs.
Manuscripts--Spain--Catalogs.