Columbia subject headings:
Architecture, Gothic--France--Paris.
Counterpoint--France--Paris--12th century.
Counterpoint--France--Paris--13th century.
Music and architecture.
Harvard subject headings:
Architecture, Gothic--France--Paris.
Counterpoint--France--Paris--12th century.
Counterpoint--France--Paris--13th century.
Gregorian chants--Congresses.
Gregorian chants--History and criticism--Congresses.
Music and architecture.
Music--France--500-1400--History and criticism.
Princeton subject headings:
Architecture, Gothic--France--Paris.
Counterpoint--France--Paris--12th century.
Counterpoint--France--Paris--13th century.
Music and architecture.