bn:00181868n
Noun Named Entity
Categories: Library of Congress Classification
EN
Library of Congress Classification:Class Q -- Science  Library of Congress Classification:Class Q, subclass Q -- Science  Library of Congress Classification:Class Q, subclass QA -- Mathematics  Library of Congress Classification:Class Q, subclass QB -- Astronomy  Library of Congress Classification:Class Q, subclass QC -- Physics
EN
Class Q: Science is a classification used by the Library of Congress Classification system. Wikipedia
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