York -Castle Howard, Fairfax House, Yorkshire Museum, Model Train Museum, 2002

York -Castle Howard, Fairfax House, Yorkshire Museum, Model Train Museum, 2002, Box: 61, Folder: 7. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/580999 Accessed January 24, 2026.