Columbia subject headings:
Nestroy, Johann, 1801-1862--Criticism and interpretation--Congresses.
Harvard subject headings:
Nestroy, Johann, 1801-1862--Congresses.
Nestroy, Johann, 1801-1862--Criticism and interpretation--Congresses.
Princeton subject headings:
Nestroy, Johann, 1801-1862--Criticism and interpretation--Congresses.