Unique identifier for digital objects, similar to a DOI. It provides a permanent link to content, ensuring consistent access even if the item's location changes. HDLs are commonly used in academic and research contexts to manage and cite digital resources like datasets, publications, and reports.

Identifier assigned to content within EBSCO's databases. An EBSCO Accession Number ID allows users and systems to locate and reference specific articles, reports, or other resources directly, ensuring consistent access and accurate citation within EBSCO platforms.

Unique identifier specifically for the electronic versions of serial publications, such as online journals and magazines. It enables precise identification, cataloging, and access to digital serial content, distinguishing it from the print version, which is identified by the ISSN.

Unique identifier and controlled vocabulary system used for indexing and retrieving subjects in library catalogs and databases. Based on the Library of Congress Subject Headings, Faceted Application of Subject Terminology (FAST) simplifies and organizes subject headings into distinct facets, allowing for efficient, consistent subject tagging and improved searchability across library and information systems.

Unique identifier assigned to a federal grant or award by the funding agency.

Unique identifier for books, allowing publishers, libraries, and retailers to identify and catalog books accurately. Each ISBN is specific to an edition of a book, ensuring precise reference and ease of access for readers and book distribution systems worldwide.

Unique identifier for periodicals, such as journals, magazines, and newspapers. It ensures accurate cataloging and easy identification of serial publications, allowing libraries, databases, and readers to track and access specific titles across editions and formats globally.

Unique identifier assigned to names of persons, organizations, and other entities by aggregating authority records from national libraries worldwide. It standardizes and links variations of names across databases, helping users and systems accurately identify and access information about individuals and institutions globally.

Unique identifier associated with entities in Wikidata, a collaborative knowledge base. Each WikiID links to a specific entry, allowing users and systems to reference and retrieve structured information about that item across Wikimedia projects and external applications.

Unique identifier for entries in Wikipedia, allowing direct reference to a specific article. This ID helps users and systems retrieve and link information about a topic consistently across various platforms that integrate Wikipedia content.