LIBRARY Ethno-Geography of the Bahr el Ghazal: an attempt at a historical reconstruction 1981 · ENGLISH · PDF View details →
LIBRARY The Kresh group, Aja and Baka languages (Sudan): A linguistic contribution 1976 · ENGLISH · PDF View details →
LIBRARY The Daju Language Group: Systematic Phonetics, Lexicostatistics and Lexical Reconstruction 1981 · ENGLISH · PDF View details →
LIBRARY The Eastern Nilotes: Linguistic and Historical Reconstructions 1982 · ENGLISH · PDF View details →
LIBRARY Die Südnilotischen Sprachen: Beschreibung, Vergleichung und Rekonstruktion 1982 · GERMAN · PDF View details →