Herrmann Jungraithmayr ; collected and translated in collaboration with Stephen Njẹṇọ Yoblis and Njẹṇọ Andirya Galadima ; illustrations by Ishaku H. OsmanKöppe2006
[compiled by] Herrmann Jungraithmayr ; collected, translated and edited in collaboration with Njeno Andirya Galadima, Stephen Njeno Yoblis and Harald Vajkonny ; prefatory essay by Johannes HarnischfegerKöppe2002