Columbia subject headings:
Bibliotheca Palatina (Biblioteca apostolica vaticana)--Exhibitions.
Books--History--Exhibitions--Germany--Heidelberg.
Counts palatine--Library--Exhibitions.
Early printed books--Exhibitions.
Illumination of books and manuscripts--Vatican City--Exhibitions.
Libraries--Germany--Heidelberg--History--1400-1600--Exhibitions.
Ludwig III, Elector of the Palatinate, 1378-1436--Library--Exhibitions.
Manuscripts--Facsimiles.
Manuscripts--Vatican City--Exhibitions.
Rare books--Bibliography--Exhibitions.
Harvard subject headings:
Bibliotheca Palatina (Biblioteca apostolica vaticana)--Exhibitions.
Counts palatine--Library--Exhibitions.
Heidelberg (Germany)--Intellectual life--Exhibitions.
Illumination of books and manuscripts--Vatican City--Exhibitions.
Ludwig III, Elector of the Palatinate, 1378-1436--Library--Exhibitions.
Manuscripts--Vatican City--Exhibitions.
Rare books--Bibliography--Exhibitions.
Princeton subject headings:
Biblioteca apostolica vaticana--Catalogs.
Bibliotheca Palatina (Biblioteca apostolica vaticana)--Catalogs.
Illumination of books and manuscripts--Italy--Rome--Catalogs.
Manuscripts--Italy--Rome--Catalogs.