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Northcliffe, Alfred Harmsworth, Viscount, 1865-1922
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Oberlin College
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Oldsmobile automobile
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Oliver, Mary
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Patterson, John Henry, 1844-1922
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Pegoud, Adolphe Celestin, 1889-1915
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Petree, Jay R.
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Photographers
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Pulitzer, Joseph, 1847-1911
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Rathenau, Walter
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Reagan, Ronald, 1911-2004
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Research and development contracts
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Roosevelt, Franklin D. (Franklin Delano), 1882-1945
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Root, A. I. (Amos Ives), 1839-1923
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Sanford, John
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Santos-Dumont, Alberto, 1873-1932
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Schindler, Reuben
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Selfridge, Thomas Etholen, 1882-1908
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September 11 Terrorist Attacks, 2001
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Sever, Thomas L.
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