| Jean Demmeni Een priester der Pnihings aan de Boven-Mahakam, Midden-Borneo [Borneo expedition to Central-Borneo led by Dr. A.W. Nieuwenhuis] 1898-1900 Photograph 17 x 12 cm Leiden University Library Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV), Accession number: 25680 LL/90578
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