Columbia subject headings:
Metastasio, Pietro, 1698-1782--Appreciation--Austria--Vienna--Congresses.
Metastasio, Pietro, 1698-1782--Criticism and interpretation--Congresses.
Harvard subject headings:
Metastasio, Pietro, 1698-1782--Appreciation--Austria--Vienna--Congresses.
Metastasio, Pietro, 1698-1782--Criticism and interpretation--Congresses.
Princeton subject headings:
Civilization, Classical--Influence--Congresses.
Metastasio, Pietro, 1698-1782--Appreciation--Austria--Vienna--Congresses.
Metastasio, Pietro, 1698-1782--Criticism and interpretation--Congresses.
Metastasio, Pietro, 1698-1782--History and criticism--Congresses.