Thomson, Thomas John, 1877-1917. Autumn Foliage, from Art in the Christian Tradition, a project of the Vanderbilt Divinity Library, Nashville, TN. http://diglib.library.vanderbilt.edu/act-imagelink.pl?RC=55993 [retrieved October 18, 2020]. Original source: http://commons.wikimedia.org/wiki/File:Tom_Thomson_-_Autumn_Foliage_-_Google_Art_Project.jpg.