View of construction worker standing on structural framework inside light court, Main Library, Detroit Public Library. Ductwork overhead. Printed on front: "Detroit Library Commission. Addns. & alts. to Main Public Library. F.H. Martin Construction Company. Descr. EA/4. Floor A below, first floor workroom above, E1/22, stage 2A. Lkg. no. No. 53. Date: 7-19-60. Win Brunner, photo."