Bailey, Thomas Andrew, 1902-1983, author
Prentice-Hall, 1980
Buku Teks
Satow, Ernest Mason, 1843-1929, author
Longmans, Green, 1958
Buku Teks
Bemis, Samuel Flagg, 1891-1973, author
Holt, Rinehart and Winston, 1965
Buku Teks
Stuart, Graham Henry, 1887-, author
Applenton Century, 1952
Buku Teks
Stuart, Graham Henry, 1887-, author
Appleton-Century-Crofts, 1952
Buku Teks