Caption: "Daniel Hudson Burnham, director of works of World's Columbian Exposition and author of the Chicago Plan. From portrait by Zorn, by permission of Mrs. Burnham."
Caption: "Robert Martin Douglas: Eldest son of Stephen A. Douglas."
Caption: "Stephen A. Douglas: Photograph taken during his debates with Lincoln in 1856". From text: "In Clark E. Carr's volume entitled 'Stephen A. Douglas,' the author pays this deserved tribute to t…