Harootunian, H.D., author
University of California Press, 1970
Buku Teks
Murdoch, James, author
Routledge , 1903
Buku Referensi
Sansom, George Bailey, Sir, 1883-1965, author
Stanford University Press, 1958
Buku Teks
Latourette, Kenneth Scott, author
Macmillan, 1951
Buku Teks
Murdoch, James, author
Routledge and Kegan Paul, 1949
Buku Teks