Columbia subject headings:
Habsburg, House of.
Mozart, Wolfgang Amadeus, 1756-1791.
Music patronage--Austria--History--18th century.
Harvard subject headings:
Habsburg, House of.
Mozart, Wolfgang Amadeus, 1756-1791--Friends and associates.
Princeton subject headings:
Habsburg, House of--Art patronage.
Mozart, Wolfgang Amadeus, 1756-1791--Political and social views.
Music patronage--Austria.
Music--Social aspects.