This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Friedrich Wilhelm Leopold Pfeil . Friedrich Wilhelm Leopold Pfeil German forestry scientist Deutscher Forstwissenschaftler Museum in der Adlerapotheke Eberswalde brandenburgischesforstmuseum de htm ca Stahlstich von Weyer und Singer Public Domain Image FriedrichWilhelmLeopoldPfeil PDArt Wilhelm Pfeil