Abraham Lincoln Association; edited by Roy P. Basler
Rutgers University Press, 1953 / 1955
Buku Teks SO
Caro, Robert A.
Alfred A. Knopf, 1983
Buku Teks SO
Schlesinger, Arthur Meier
Fawcett Publications, 1965
Buku Teks SO
Pious, Richard M.
Basic Books, 1944
Buku Teks
edited by Arnold J. Meltsner
Institute for Contemporary Studies, 1981
Buku Teks