Muther, Richard
McGraw-Hill Book Company, Inc., 1955
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Apple, James M. (James MacGregor), 1915-1978, author
John Wiley & Sons, 1977
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Ireson, William Grant, 1914-, author
Prentice-Hall, 1959
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Apple, James M. (James MacGregor), 1915-1978, author
The Ronald Press , 1950
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Mallick, Randoph W., author
New York, N.Y., John Wiley & Sons
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