15 Chas [Charles] Darwin's Down House, London, Down House, Jewel Tower, London, Big Benn, Parliament, September 2009

15 Chas [Charles] Darwin's Down House, London, Down House, Jewel Tower, London, Big Benn, Parliament, September 2009, Box: 66, Folder: 37. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/581226 Accessed January 24, 2026.