Columbia subject headings:
Grillparzer, Franz, 1791-1872--Societies, etc.
Grillparzer, Franz, 1791-1872.
Harvard subject headings:
Austrian literature--History and criticism--Congresses.
Grillparzer, Franz, 1791-1872--Criticism and interpretation--Congresses.
Princeton subject headings:
Grillparzer, Franz, 1791-1872--Societies, periodicals, etc.