Campbell, George L. Compendium of the world's languages / Abaza to Kurdish George L. Campbell - 2nd ed. - London : Routledge, c2000. - 2 v. (xxvi, 1854 p. : ill. ; 24 cm. ISBN: 9780415202965 LCCN: Subjects--Topical Terms: Language and languages LC Class. No.: P371 / .C36 2000