1.
|
New York, McGraw-Hill, 1956.
|
2.
|
Carbondale, Southern Illinois University Press [1963]
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3.
|
New York, McGraw-Hill [1968]
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4.
|
New York, McGraw-Hill [1973]
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5.
|
New York, McGraw-Hill [c1963]
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6.
|
New York, McGraw-Hill Book Co., 1949.
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7.
|
New York : H.W. Wilson, 1997.
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8.
|
New York, Ronald Press Co. [1965]
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9.
|
New York, Ronald Press Co. [1948]
|