Voegelin, C. F.
Classification and index of the world's languages / C.F. and F.M. Voegelin. - New York : Elsevier, 1977. - 658 p. - Foundations of linguistics series .
0444001557
Language and languages--Classification.
Classification and index of the world's languages / C.F. and F.M. Voegelin. - New York : Elsevier, 1977. - 658 p. - Foundations of linguistics series .
0444001557
Language and languages--Classification.