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Keywords from Image Description:
KITLV Kleingrothe C.J. Medan Para Rubber year old tree .tif nl ParaRubber jaarige boom en Para Rubber year old tree cm exhibition history Universiteitsbibliotheek Leiden Koninklijk Instituut voor Taal Land en Volkenkunde nl Prentbriefkaart en Picture postcard keywords heveas Indonesia plantations Sumatera object history