Similar to 国立国会図書館件名標目表

Tōyō Bunko

Library classification

BIBSYS

JEL classification codes

ORCID

Scopus

Library of Congress Control Number

Library of Congress Classification

Library of Congress Classification:Class K -- Law

Library of Congress Classification:Class Q -- Science

Universal Decimal Classification

International Standard Name Identifier

Colon classification

Knowledge organization

Dewey Decimal Classification

Controlled vocabulary

Nippon Decimal Classification

Faceted classification

National Library of Medicine classification

Metadata

Authority control

Virtual International Authority File

Library of Congress Subject Headings

Index term