Turnhout, Brepols, 1969 Paperback, 206p., 18 x 26,5. ISBN 17401530200.
Languages : Ethiopic, French.
Turnhout, Brepols, 1966 Paperback, 712p., 18 x 26,5. ISBN 17401550200.
Languages : Ethiopic, French.
Turnhout, Brepols, original edition: 1966; reprint: 2003 Paperback, 414p., 18 x 26,5. ISBN 17401590200.
Languages : Ethiopic.