Columbia subject headings:
Christina, Queen of Sweden, 1626-1689--Congresses.
Music patronage--Italy--Rome--Congresses.
Music--Italy--Rome--17th century--Congresses.
Harvard subject headings:
Christina, Queen of Sweden, 1626-1689--Congresses.
Music patronage--Italy--Rome--Congresses.
Music--Italy--17th century--History and criticism--Congresses.
Music--Italy--Rome--17th century--Congresses.
Music--Sweden--17th century--History and criticism--Congresses.
Princeton subject headings:
Christina, Queen of Sweden, 1626-1689--Congresses.
Music patronage--Italy--Rome--Congresses.
Music--Italy--Rome--17th century--Congresses.