by John M. Blum ... [et al.]
Harcourt, Brace & World, 1963
Buku Teks
edited by Frank Freidel and Norman Pollack
Rand McNally, 1963
Buku Teks
Beard, Charles A., author
Dobleday, 1960
Buku Teks
Myers, Margaret G., author
Columbia University Press , 1970
Buku Teks
Norton, Thomas James, author
America`s Future, 1946
Buku Teks