Walker, Allan S.
Australian War Memorial, 1956
Buku Teks
Latourette, Kenneth Scott
Macmillan, 1957
Buku Teks
Christopher, James W.
E.J. Brill, 1928
Buku Teks
Lower, Arthur R.M.
The Haddon Craftsmen, 1941
Buku Teks
Latourette, Kenneth Scott
Macmillan, 1951
Buku Teks