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American Studies. (1) |
Andrews, Roy Chapman, 1884-1960. (1) |
Beebe, William, 1877-1962. (1) |
Carson, Rachel, 1907-1964. (1) |
Clark, Eugenie. (1) |
History of Science. (1) |
History, United States. (1) |
Murphy, Robert Cushman, 1887-1973 (1) |
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