Heidelberg — Paris — London — Rom — St. Petersburg: Julius Groos' Verlag, 1904. — 120 p.
Seidel A. The Duala language in Cameroon: an introduction to grammar and a short dictionary (in German)
Page quality: good.
Inhaltsverzeichnis:Vorwort.
Lautlehre.
Formenlehre.
Einige Bemerkungen zur Syntax.
Einiges über die Wortbildung der Hauptwörter.
Systematisches Wörterverzeichnis.
Duala language,also spelled Douala, Diwala, Dwela, Dualla, and Dwala, belongs to the Bantu language family, in a subgroup called Sawabantu. Maho (2009) treats Duala as a cluster of five languages: Duala proper, Bodiman, Oli (Ewodi, Wuri), Pongo, and Mongo. He also notes a Duala-based pidgin named Jo.