DÔKO (Tsamako language), 1999. Private collection, Menden (DE)
IDJ (Berber language), 1999. Private collection, Düsseldorf (DE)
INYE (Xhosa language), 1999. Private collection, Hamburg (DE)
MODZI (Cinyanga language), 1999. Collection Museum Ostwall, Dortmund (DE)
WACHED (Arabic language), 1999. Private collection, Amsterdam (DE)
KAL (Hadendoa language), 1999. Private collection, Düsseldorf (DE)
MODJA (Comorien language), 2000. Private collection, Köln (DE)
MICCA (Burji language), 2000. Private collection, Veenwouden (NL)
INIK (Afar language), 2000. Private collection, Düsseldorf (DE)
KÀLÁNG (Kenga language), 2004. Collection Museum Belvedere, Heerenveen (NL)
SHOKO (Gidole language), 2004. Private collection Düsseldorf (DE)
NUXU (Shat language), 2005. Collection Museum Belvédère, Heerenveen (NL)
OKONGO (Pokot language), 2005. Collection Staatliche Sammlungen Dresden (Albertinum), Dresden (DE)