Columbia subject headings:
Janáček, Leoš, 1854-1928--Criticism and interpretation.
Janáček, Leoš, 1854-1928. Operas.
Harvard subject headings:
Janáček, Leoš, 1854-1928. Operas--Congresses.
Princeton subject headings:
Janáček, Leoš, 1854-1928--Criticism and interpretation.
Janáček, Leoš, 1854-1928. Operas.