a Mitchell Beazley Television, RM Arts/Channel Four co-production in association with the Nigerian Television Authority ; written and presented by Basil Davidson ; produced by John Percival ; directed by John Percival, Christopher Ralling, Andrew Harries, and Mick Csaky
herausgegeben im Auftrage der Deutschen Forschungsgemeinschaft von K. Kayser ... [and others] ; Kartographie, Schaffmann & Kluge Landkartenverlag, Berlin