View of construction workers doing masonry work in the lecture hall, Main Library, Detroit Public Library. Handwritten on front: "F4; Putnam wall; Cass Ave. wall of lecture hall, CA/36." Printed on front: "Detroit Library Commission. Addns & alterations to Main Public Library. Bryant & Detwiler Company, contr. Descr. lecture hall. No. 133. Date: 1-23-62. Win Brunner, photo." Handwritten on back: "Lecture hall, CA/36."
