Cohen, Nathan Edward
Social work in the American tradition
Holt, Rinehart and Winston, 1958
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Sources of the American social tradition
edited by David J. Rothman and Sheila M. Rothman
Basic Books, 1975
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Hacker, Louis M.
Shaping of the American tradition
Columbia University Press, 1947.
 Buku Teks SO
Hacker, Louis M.
The shaping of the american tradition
Columbia University Press, 1947
 Buku Teks SO
Ravitz, Abe C.
Clarence Darrow and the American literary tradition
Press of Western Reserve University, 1962
 Buku Teks SO