13 of 17 St. Martin's Fields, Nat[ional] Port[rait] Gallery, Mayfair J. Adams House, September 2013

13 of 17 St. Martin's Fields, Nat[ional] Port[rait] Gallery, Mayfair J. Adams House, September 2013, Box: 68, Folder: 41. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/581321 Accessed January 24, 2026.