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Keywords from Image Description:
KITLV Kleingrothe C.J. Medan Sixyearold rubber trees at plantation in Sumatra circa .tif accession number credit line nl Zesjarige rubberbomen op een plantage op Sumatra en Sixyearold rubber trees at plantation in Sumatra cm exhibition history Universiteitsbibliotheek Leiden Koninklijk Instituut voor Taal Land en Volkenkunde