View of north side of South Wing, Main Library, Detroit Public Library during construction. Concrete frame with rebar; three construction workers stand on top of addition. Pile of lumber in foreground. Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. n. side of S. Wing. No. 22. Date: 10-1-59. Win Brunner, photo."