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:
Theo van Doesburg . LangSwitch Design for house and studio for Bertalan Pr elevations and plans Ontwerp atelierwoning Bertalan Pr opstanden en plattegronden Potlood en OostIndische inkt op transparant papier cm Rotterdam Nederlands Architectuurinstituut inv no AB Provenance lent to the Nederlands Architectuurinstituut Rotterdam