Columbia subject headings:
Baritones (Singers)--France--Biography.
Laÿs, François, 1758-1831.
Harvard subject headings:
Baritones (Singers)--France--Biography.
Laÿs, François, 1758-1831.
Princeton subject headings:
Baritones (Singers)--France--Biography.
Laÿs, François, 1758-1831.