Brant, House
Jiu ge chu ban she, Minguo, 1982
Buku Teks
Slotkin, Richard, author
Henry Holt and Company, 2000
Buku Teks
Geneviene Foster
W. Van Hoeve, 1959
Buku Teks
Lavine, A. Lincoln
Prentice-Hall, 1963
Buku Teks
Lincoln, John A.
George Allen and Unwin, 1967
Buku Teks