1. 1
    by Ruhlen, Merritt, 1944-
    Published 1994
    Subjects ...Language and languages Origin....
    Book
  2. 2
    by McMahon, April M. S.
    Published 2005
    Subjects ...Language and languages Classification....
    Book
  3. 3
    Published 1991
    Subjects ...Language and languages Origin....
    Book
  4. 4
    by Ruhlen, Merritt, 1944-
    Published 1987
    Subjects ...Language and languages Classification....
    Book
  5. 5
  6. 6
    Subjects ...Language and languages Classification....
    Book