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$123Popular Science Jan 1, 1950
$42Scientific American Jan 1, 2002
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$123Popular Science Apr 1, 1950
$42Scientific American Jun 1, 2002
$42Scientific American Jul 1, 2002
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$42Scientific American A Matter of Time Sep 1, 2002
$110Popular Science May 1, 1950
$42Scientific American Oct 1, 2002
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$110Popular Science Jun 1, 1950
$42Scientific American Mar 1, 2003
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$110Popular Science Sep 1, 1950
$42Scientific American Jul 1, 2003
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$42Scientific American Mar 1, 2004
$42Scientific American Beyond Einstein Sep 1, 2004
$62Ladies' Home Journal Jul 1, 1965
$42Scientific American Apr 1, 2004
$110Popular Science Dec 1, 1950
$42Scientific American May 1, 2004
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$42Scientific American Oct 1, 2004
$62Ladies' Home Journal Sep 1, 1965
$42Scientific American Jan 1, 2005
$62Ladies' Home Journal Oct 1, 1965
$62Ladies' Home Journal Nov 1, 1965
$42Scientific American Jun 1, 2008
$62Ladies' Home Journal Dec 1, 1965
$42Scientific American Oct 1, 2008
$42Scientific American Feb 1, 2009
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$110Popular Science Feb 1, 1951
$42Scientific American May 1, 2009
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$42Scientific American Understanding Origins Sep 1, 2009
$42Scientific American Oct 1, 2009
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$110Popular Science Mar 1, 1951
$42Scientific American Nobel Prize Winning Authors Volume II Jan 1, 2010
$42Scientific American Jan 1, 2010
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$42Scientific American Apr 1, 2010
$42Scientific American Jul 1, 2010
$42Scientific American Aug 1, 2010
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$110Popular Science May 1, 1951
$42Scientific American Jan 1, 2011
$42Scientific American Jun 1, 2011
$42Scientific American Jul 1, 2011