Category:Classification and notation

Library of Congress Classification Wikipedia categorization
 * subclass Z696-Z697 -- Classification and notation,  subclass Z687-Z718.85 -- The collections. The books,  subj head & subclass Z665-Z718 -- Library science subj head & subclass Z665-Z718.8 -- Information science,  subj head & subclass Z662-Z997 -- Libraries
 * LoC pdfs ? Subj Head ✓, ? Classif ✓
 * Library cataloging and classification,  Library science