The Harvard classics : volume 43, American historical document 1000-1904
Charles W. Eliot, edited
P. F. Collier & Son Corporation, 1959 ; 1969
 Buku Referensi
Harvard guide to American history
by Oscar Handlin ... [and others]
Belknap Press, 1963
 Buku Teks SO
The Harvard classics: volume 28, essays English and American
edited by Charles W. Eliot
P. F. Collier & Son Corporation, 1959 ; 1969
 Buku Teks
The Harvard classics: volume 28, essays English and American
edited by Charles W. Eliot
Grolier Enterprises Corp., 1995
 Buku Referensi
Bemis, Samuel Flagg, 1891-1973
The Latin American policy of the United States, an historical interpretation
Harcourt, Brace, 1943
 Buku Teks