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Bridge, Linda McCarter. National Geographic Society (U.S.)
Publication Date:
1976
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National Geographic Society (U.S.)
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1974
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Grosvenor, Donna K. National Geographic Society (U.S.)
Publication Date:
1973
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McClung, Robert M. National Geographic Society (U.S.)
Publication Date:
1973
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Fisher, Ronald M. National Geographic Society (U.S.)
Publication Date:
1973
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Jackson, Kathryn, 1907- National Geographic Society (U.S.)
Publication Date:
1972
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Graves, William. National Geographic Society (U.S.)
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1970
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1970
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Setton, Kenneth Meyer, 1914- National Geographic Society (U.S.)
Publication Date:
1969
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Leakey, L. S. B. (Louis Seymour Bazett), 1903-1972. National Geographic Society (U.S.)
Publication Date:
1969
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