Ethnologue: languages of Africa and Europe / Gary F. Simons an d Charles D. Fennig, editors - 21st ed. - Texas : SIL International Publications, 2018 - 641 p. : maps ; 26 cm. Includes index. ISBN: 9781556714337 Subjects--Topical Terms: Philology, Modern-- Periodicals Dewey Class. No.: 410