Columbia subject headings:
Boesmans, Philippe--Criticism and interpretation.
Boesmans, Philippe.
Composers--Belgium--Biography.
Opera--20th century.
Opera--21st century.
Harvard subject headings:
Boesmans, Philippe
Boesmans, Philippe--Criticism and interpretation.
Composers--Belgium--Biography
Opera--20th century
Opera--21st century.
Opera--Belgium--20th century.
Opera--Belgium--21st century.
Princeton subject headings:
Boesmans, Philippe--Criticism and interpretation.
Boesmans, Philippe.
Composers--Belgium--Biography.
Opera--20th century.
Opera--21st century.