Columbia subject headings:
Harvard subject headings:
Biblioteca apostolica vaticana.
Catholic libraries--Vatican City--History.
Manuscripts--Library resources.
Manuscripts--Vatican City--Library resources.
Rare book libraries--Vatican City--History.
Rare books--Library resources.
Rare books--Vatican City--Library resources.
Princeton subject headings:
Biblioteca apostolica vaticana.
Catholic libraries--Vatican City--History.
Manuscripts--Library resources--Vatican City.
Rare book libraries--Vatican City--History.
Rare books--Library resources--Vatican City.