Ireland, David
Angus and Roberson Publishers, 1968
Buku Teks
Hay, John E., editor
W.W. Norton & Co., 1991
Buku Referensi
Jeon, Sung-tae
Asia, 2014
Buku Teks
Durrell, Gerald, foreword
William Collins, 1983
Buku Teks
Scherer, James A.B.
The Hokuseido Press, 1933
Buku Teks