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American Boy 1933-02
1794 visits
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American Boy 1936-05
2246 visits
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Collier's 1910-04-16
2086 visits
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Scientific American 1872-12-28
2498 visits
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Scientific American 1894-06-16
1459 visits
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Scientific American 1894-08-25
1293 visits
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Scientific American 1899-01-07
1871 visits
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Scientific American 1901-09-28
1654 visits
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Scientific American 1903-07-18
1391 visits
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Scientific American 1903-09-19
1567 visits
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Scientific American 1913-07-26
2092 visits
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Scientific American 1921-02-19
1346 visits
