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American Boy 1933-02
1488 visits
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American Boy 1936-05
1639 visits
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Collier's 1910-04-16
1827 visits
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Scientific American 1872-12-28
2192 visits
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Scientific American 1894-06-16
1186 visits
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Scientific American 1894-08-25
1071 visits
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Scientific American 1899-01-07
1349 visits
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Scientific American 1901-09-28
1270 visits
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Scientific American 1903-07-18
1037 visits
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Scientific American 1903-09-19
1197 visits
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Scientific American 1913-07-26
1774 visits
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Scientific American 1921-02-19
1165 visits
