Adams, James Truslow
Dictionary of American history
1946
 Buku Referensi
Concise dictionary of American history
editor Thomas C. Cochran, Wayne Andrew
Charles Scribner's Sons , 1962
 Buku Referensi
An outline of American history
U.S. Information Service,, 1981
 Buku Teks
Herget, James E.
American jurisprudence: a history
Texas: Rice University Press, 1990,
 Buku Referensi
Current, Richard N.
American history : a survey
Alfred A. Knopf, 1965
 Buku Teks