Columbia subject headings:
Harvard subject headings:
Colloredo, Hieronymus, Graf, 1732-1812--Art patronage--Congresses.
Gatti, Luigi, 1740-1817--Criticism and interpretation--Congresses.
Music--Austria--Salzburg--18th century--History and criticism--Congresses.
Princeton subject headings:
Colloredo, Hieronymus, Graf, 1732-1812--Art patronage--Congresses.
Gatti, Luigi, 1740-1817--Criticism and interpretation--Congresses.
Music--Austria--Salzburg--18th century--History and criticism--Congresses.