Paul Russell Cutright Lewis and Clark: pioneering naturalists

Engels, XXIII, 506 p, University of Nebraska Press, Lincoln [etc.], 2003

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Paul Russell Cutright Theodore Roosevelt, the making of a conservationist

Engels, 285 pagina's, University of Illinois Press, Urbana, 1985

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Michael J. Brodhead, Paul Russell Cutright Elliott Coues

naturalist and frontier historian

Engels, XV, 509 pagina's, [8] pagina's platen, University of Illinois Press, Urbana, Ill., 1981

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Paul Russell Cutright Theodore Roosevelt

the naturalist

Engels, 297 pagina's, Harper, New York, 1956

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Paul Russell Cutright The great naturalists explore South America

Engels, xii, 340 p, 1940

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