-Royal Tropical Museum Engish. Online search in the collection of the Royal Tropical Museum in Amsterdam, english language http://collectie.tropenmuseum.nl/nbasicsearch.asp?lang=en&showtype=icons&type=simple
-Rijks museum voor volkenkunde. The online collection of the government museum of peoples and nations in Leiden, Netherlands. http://www.rmv.nl/zoek_collectie.aspx?p=simple&searchtag1=*&searchfor1=kris
-Tropen museum collectie nederlands. The online colection of the Royal tropical museum in Amsterdam, language Dutch. http://collectie.tropenmuseum.nl/nbasicsearch.asp?