Columbia subject headings:
Graduals (Liturgical books)--Malta.
Illumination of books and manuscripts--Malta.
Music--Manuscripts--Malta.
Villiers de L'Isle-Adam, Philippe, 1464-1534.
Harvard subject headings:
Graduals (Liturgical books)--Malta--Manuscripts.
Illumination of books and manuscripts, Renaissance--Malta.
Illumination of books and manuscripts--Malta.
Knights of Malta
Service books (Music)--Malta--Manuscripts.
St. John's Co-Cathedral (Valletta, Malta)
Princeton subject headings: