1.
|
Lincoln, University of Nebraska Press [1963]
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2.
|
New York, Russell & Russell, 1964.
|
3.
|
London, New York, Longmans [1955]
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4.
|
Bloomington, Indiana University Press, 1967.
|
5.
|
New York, Twayne Publishers [1968]
|
6.
|
Berkeley, University of California Press [1961, c1957]
|
7.
|
Oxford, Clarendon Press, 1961.
|
8.
|
New Haven, Published for Smith College by the Yale University Press, 1961.
|
9.
|
New York, Octagon Books, 1970.
|
10.
|
Austin, University of Texas Press [1969]
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