on verso, by unknown hand, top left in black ink: 1925; top right in graphite perpendicular: N. 1925; top right in graphite: 90.2; upper left in graphite: 9-34302; upper center in graphite underlined: Beard; center left in graphite: crop and make / 5 3/4 wide; center right printed in purple ink perpendicular: National Child Labor Committee. [crossed out with graphite] / At the close of the day. Waiting for the / cage to go up. This cage is entirely open / on two sides and not very well protected / on the other two, and is usually crowded / like this. Pa., Jan. 7, 1911. / Photo by Lewis W. Hine.; by unknown hand, center right in graphite perpendicular: Chapter I- Interdependence; lower left in graphite perpendicular: chap; bottom right in black ink inverted: 1925
(Etherton Gallery, Tucson, AZ); (Charles Isaacs Photographs, Inc., New York), 1997; NGA purchase, 2018.