Kings of Africa : art and authority in Central Africa : collection Museum für Völkerkunde Berlin / ed. Erna Beumers, Hans-Joachim Koloss ; [photogr.: Erik Hesmerg ... et al.]Kings of Africa / [fotogr. Erik Hesmerg ; tekst: Peter Abspoel]Treasures from the Hermitage, St. Petersburg / [ed.: Donald Garstang, Elisabeth Ingles ; texts: S. Androsov ... et al.]Spoor naar koningen van Afrika / tekst: Johanna Giesen en Els Weeder ; [fotogr.: Erik Hesmerg]