Kolbe, Friedrich Wilhelm A language study based on Bantu, or an inquiry into the laws of root -formation, the original plural, the sexual dual, and the principles of word-comparison... / F.W. Kolbe - London : Trubner & Co., 1888. - viii, 97 p. : ill. ; 22 cm. Subjects--Topical Terms: Bantu languagesHerero language Dewey Class. No.: 496.3541