Columbia subject headings:
Harvard subject headings:
Deaf--France--Means of communication--History--18th century.
L'Epée, Charles-Michel de, 1712-1789.
Sign language--History--18th century.
Teachers of the deaf--France--Biography.
Princeton subject headings:
Catholic Church--France--Clergy--Biography.
Church work with the deaf--Catholic Church--History--18th century.
Deaf--Education--France--History--18th century.
L'Epée, Charles-Michel de, 1712-1789.
Teachers of the deaf--France--Biography.