Gorer, Geoffrey
The American people: a study in national character
W.W. Norton, 1948
 Buku Teks
Riesman, David
Faces in the crowd: individual studies in character and politics
Yale University Press, 1965
 Buku Teks SO
the changing world of the American military
Westview Press, 1978
 Buku Teks
Wachner, Clarence W.
The Changing years of American iterature
Macmillan, 1963
 Buku Teks
Commager, Henry Steele, selector
The American mind : an interpretation of American thought and character the 1880's
Yale University Press, 1950
 Buku Teks SO