Fading delimitationsAnne Storch, Johannes Harnischfeger, Rudolf Leger · First published 2014Open the Tome
Language and history in the light of reconstructionsJörg Adelberger, Rudolf Leger · First published 2014Open the Tome
Von Ägypten zum TschadseeDymitr Ibriszimow, Rudolf Leger, Uwe Seibert · First published 2001Open the Tome