8 of 23 Discovery Mus[eum], N-castle, St. Nicholas Cathedral tiles building interior, "New" castle and Black Gate, 2007

8 of 23 Discovery Mus[eum], N-castle, St. Nicholas Cathedral tiles building interior, "New" castle and Black Gate, 2007, Box: 65, Folder: 8. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/581160 Accessed January 23, 2026.