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:
Leonardo da vinci Study for the Sforza monument . File Leonardo da Vinci Study for an equestrian monument recto Google Art Project Artwork Creator Leonardo Da Vinci between Metalpoint on bluish prepared paper Institution Royal Library Windsor object history credit line accession number WGA link wga hu wga hu html PDold