111 | Add to Reading ListSource URL: civiced.orgLanguage: English - Date: 2014-05-01 17:10:32
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112 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2013-10-25 15:56:45
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113 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2014-04-24 14:35:59
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114 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2013-10-25 14:40:02
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115 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2014-04-24 14:34:57
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116 | Add to Reading ListSource URL: www.collectionscanada.gc.caLanguage: English - Date: 2013-02-26 13:52:26
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117 | Add to Reading ListSource URL: www.nist.govLanguage: English - Date: 2013-10-25 15:57:39
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118 | Add to Reading ListSource URL: www.usda.gov- Date: 2014-02-10 15:53:34
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119 | Add to Reading ListSource URL: www.civiced.orgLanguage: English - Date: 2014-05-01 17:10:32
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120 | Add to Reading ListSource URL: www.nasa.govLanguage: English - Date: 2013-07-28 12:27:21
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