Eyck, Hubert van, 1366-1426 ; Eyck, Jan van, 1390-1440. Altar of the Mystical Lamb – The Arrival of the Mystical Lamb, from Art in the Christian Tradition, a project of the Vanderbilt Divinity Library, Nashville, TN. http://diglib.library.vanderbilt.edu/act-imagelink.pl?RC=48726 [retrieved October 30, 2020]. Original source: www.yorckproject.de.