A guide to the world's languages :
Ruhlen, Merritt.
A guide to the world's languages : vol. 1, classification / Merritt Ruhlen. - London : E. Arnold, c1987, 1991. - xxv, 463p.
Includes bibliography and index.
0340561866
A guide to the world's languages : vol. 1, classification / Merritt Ruhlen. - London : E. Arnold, c1987, 1991. - xxv, 463p.
Includes bibliography and index.
0340561866