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:
La pyramide des bibliographies. fr Pyramide prsentant les diffrentes formes de bibliographies fr Illustration de la page du Trait de documentation par Paul Otlet File Paul Otlet Trait de documentation djvu Creator Paul Otlet other versions Custom marker PDoldauto Uploaded with Mundaneum Paul Otlet Trait de documentation