Letter from W. E. Carson, New York, New York, asking for print of "Now I Lay Me", March 27, 1900, Box: 135, item: C:1205-C:1206. William E. Culver photographic collection, RH PH 75. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/511424 Accessed November 22, 2024.