The URL says "Bancroft, Hubert Howe. The Book of the Fair. Chicago: The Bancroft Company, 1893. Further reproduction or distribution is prohibited without permission." But they have no authority to say this for an 1893 image.
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2004-03-06 10:16 Kingturtle 270×358× (22698 bytes) copied from http://www.lib.uchicago.edu/ecuip/diglib/social/worldsfair_1893/transcript_06_images-1.html
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=== Summary == {{Information |Description = Daniel Burnham's portrait |Source = copied from http://www.lib.uchicago.edu/ecuip/diglib/social/worldsfair_1893/transcript_06_images-1.html The URL says "Bancroft, Hubert Howe. The Book of the Fair. Chicago