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500_Sciences 2016-Jun-05 21:01 --------
510_Mathematics 2016-Jun-05 21:02 --------
520_Astronomy_and_allied_sciences 2016-Jun-05 21:02 --------
530_Physics 2016-Jun-05 21:03 --------
540_Chemistry_and_allied_sciences 2016-Jun-05 21:05 --------
550_Earth_sciences 2016-Jun-05 21:06 --------
560_Paleontology;_Paleozoology 2016-Jun-05 20:29 --------
570_Life_sciences 2016-Jun-05 21:08 --------
580_Plants 2016-Jun-05 21:08 --------
590_Zoological_sciences 2016-Jun-05 21:08 --------
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