Prothero: The Papers of Sir George Walter Prothero, GBR/0272/GWP, Container: GWP. Archive Centre, King's College, Cambridge.
Prothero: The Papers of Sir George Walter Prothero, GBR/0272/GWP, Container: GWP. Archive Centre, King's College, Cambridge. https://archivesearch.lib.cam.ac.uk/repositories/7/resources/1225 Accessed October 04, 2023.