Henderson, Bruce B., author
A Lisa Drew Book, 1996
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Cooke, David C.
A Popular Library Eagle Book, 1955
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Tolstoy, Leo, graf, 1828-1910, author
Penguin Books, 2016
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Macchiavelli, author
Da Capo Press, 2001
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Hansen, Harry, author
A Mentor Book, 1961
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