ドゥアラ語
NCID BB02156271. http://www.ddl.ish-lyon.cnrs.fr/projets/clhass/index.asp?Action=Edit&Langue=FR&Page=Ressources
Johannes Ittmann, edited by E. Kähler-Meyer, Wörterbuch der Duala-Sprache, Dictionnaire de la langue duala, Dictionary of the Duala Language, Dietrich Reimer, Berlin, 1976. The preface evaluates 1 as terse, but good, while 2 has missing and erroneous tone marks. NCID BB02149924