(1924). Cambridge Medieval history. University Press.
Chicago-čujuhus (17. p.)Cambridge Medieval History. Cambridge: University Press, 1924.
MLA-čujuhus (9. p.)Cambridge Medieval History. University Press, 1924.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.