The languages and peoples of Bornu : being a collection of the writings of P.A. Benton.
Benton, Philip Askell.
Duisburg, Adolf von.Grundriss der Kanuri Sprache in Bornu.
London : Cass,
1968.
[In 2 vols.]
Translated and revised from the German of A. Von Duisburg : Oxford U.P. : 1917.
Originally published as 'Grundriss der Kanuri-Sprache in Bornu' by Adolf von Duisburg Friedrich-Wilhelms Universitaẗ : 1911.