Similar to ResearcherID

Système universitaire de documentation

ORCID

Integrated Authority File

1093 (number)

Library classification

BIBSYS

JEL classification codes

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