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: Harper & Brothers,, 1947.
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Lauterbach, Richard E.
Harper & Brother Publishers, 1945
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Deshmukh, B. G
HarperCollins Publishers India a joint venture with India Today Group, 2004.
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Rosefielde, Steven, author
Cambridge University Press, 2017
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Liboff, Richard L.
Holden-Day, 1980
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