Columbia subject headings:
Art patronage--Europe--History--15th century--Congresses.
Art patronage--Europe--History--16th century--Congresses.
Art--Collectors and collecting--Europe--History--15th century.
Art--Collectors and collecting--Europe--History--16th century--Congresses.
Cardinals--Art collections--History--15th century--Congresses.
Cardinals--Art collections--History--16th century--Congresses.
Cardinals--Art patronage--History--15th century--Congresses.
Cardinals--Art patronage--History--16th century--Congresses.
Harvard subject headings:
Art, Renaissance.
Cardinals--Art collections--History--15th century.
Cardinals--Art collections--History--16th century.
Cardinals--Art patronage--History--15th century.
Cardinals--Art patronage--History--16th century.
Princeton subject headings: