Winnefox Library System
523.1
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http://bibfra.me/vocab/lite/Category
Label
523.1
Code
523.1
Source
ddc
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ddc
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3
The alien perspective, a new view of humanity and the cosmos, David Whitehouse
You and the universe, Stephen Hawking with Lucy Hawking ; illustrated by Xin Li
Galaxies, galaxies!, by Gail Gibbons
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1
ddc
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