Systemische Beratung in Fünf GängenHelga Brüggemann, Kristina Ehret-Ivankovic, Christopher Klutmann · First published 2014Open the Tome
A dictionary of SandaweChristopher Ehret, Patricia Ehret, Eric ten Raa · First published 2012Open the Tome
History and the testimony of languageChristopher Ehret · First published 2010 · Latest edition 2011Open the Tome
A histoical comparative reconstruction of Nilo-SaharanChristopher Ehret · First published 2001Open the Tome
Reconstructing Proto-Afroasiatic (Proto-Afrasian)Christopher Ehret · First published 1995Open the Tome
The Archaeological and Linguistic Reconstruction of African HistoryChristopher Ehret, Merrick Posnansky · First published 1982Open the Tome
The historical reconstruction of Southern Cushitic phonology and vocabularyChristopher Ehret · First published 1980Open the Tome
