$a Prawnik, senator amerykański i sekretarz stanu.
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$a Statue of James Buchanan : speech of hon. Philander C. Knox, of Pensylvania, in the Senate of the United States, Monday, June 17, 1918. - Washington, 1918.
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$a LCA online
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$a pl.wikipedia. 8.09.2011.
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$a Philander Chase Knox secretary of state march 5, 1909, to march 4, 1913 / by Herbert F. Wright. - New York, 1963.