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Keywords from Image Description:
Van Royen. nl Leids hooglerarenportret van Adriaan van Royen Bijzondere Collecties Universiteitsbibliotheek Leiden de Adriaan van Royen niederlndischer Botaniker und Mediziner en Adriaan van Royen Dutch physician and botanicus Collectie Icones Leidenses leidenuniv nl Hieronymus van der Mij PDold Professors from the Netherlands