Columbia subject headings:
Deaf--United States--Biography.
Deaf--United States--History.
Harvard subject headings:
Clerc, Laurent, 1785-1869
Deaf--Biography.
Deaf--Education--History.
Deaf--History.
Deaf--United States--Biography
Deaf--United States--History.
Discrimination in education--History.
Princeton subject headings:
Deaf--United States--Biography.
Deaf--United States--History.