1.
|
Cambridge, Mass., M.I.T. Press, 1968, c1949.
|
2.
|
New York, Viking Press [1962]
|
3.
|
New York, Viking Press [1960]
|
4.
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New York, Atherton Press, 1963.
|
5.
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[Hamden, Conn.] Archon Books, 1966.
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6.
|
New Haven, Yale University Press, 1950.
|
7.
|
Englewood Cliffs, N. J., Prentice-Hall [1963]
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8.
|
Princeton, New Jersey : Princeton University Press, 1946. ©1946
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9.
|
Princeton, Princeton University press, 1946.
|