Clark, Lawrence S., author
McGraw-Hill, 1991
Buku Teks
Lavine, A. Lincoln
Prentice-Hall, 1963
Buku Teks
Lavine, Abraham Lincoln
Prentice-Hall, 1963
Buku Teks
by Len Young Smith ... [et al.]
West Publishing, 1982
Buku Teks
Fisk, Mckee, author
South-Western Publishing, 1950
Buku Teks