Studies in Chadic and Afroasiatic linguistics
Hilke Meyer-Bahlburg
International Colloquium on the Chadic Language Family (1981 University of Hamburg)
International Colloquium on the Chadic Language Family
Symposium on Chadic Within Afroasiatic (1981 University of Hamburg)
Ekkehard Wolff
Afroasiatic Languages Congresses Chadic Languages