Welmers, William Everett, 1916- African language structures / em. E. Welmers - Berkeley, Calif. : University of California Press, 1973 - xi, 488 p. ; 26 cm. Bibliography : p. 478-484. ISBN: 0520022106 LCCN: 70-186108 Subjects--Topical Terms: African languages--Grammar, Comparative