Martin, A.W.
Rigby Limited, 1962
Buku Teks
James, Preston E., author
John Wiley & Sons, 1980
Buku Teks
Febvre, Lucien, author
Routledge, 1996
Buku Teks
Stamp, L. Dudley (Laurence Dudley), 1898-1966, author
Penguin Books, 1960
Buku Teks
Routledge, 2018
Buku Teks