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:
OpstellenOverDeWereldtaalBladzijde . Scans of Opstellen over de Wereldtaal separate publication of articles that the author had originally publisehd in Dutch Volapk journal xerox copy of the original work from the library of the University of Amsterdam no date given but probably around the author says 'Only ten years ago in ' at