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:
William Blake Young's Night Thoughts Page If Angels Tremble 'Tis at Such Sight Google Art Project. Google Art Project watercolor London London William male Blake British William Blake Artist Yale Center for British Art yale edu PM angels man men women text nude historical subject Etching and line engraving