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:
David Roberts Mosque of Sultan Hassan Heidelberg. by William Brockerdon Lithography by Louis Haghe Volume London Moon The Holy Land Syria Idumea Arabia Egypt and Nubia Volume Page plate Scan from the ub uniheidelberg de library of the University of Heidelberg The image has been rotated and cropped Other scans are available