MARC21 Format for Authority Data

MARC21 Format for Authority Data is a standardized way librarians organize and share information about authors, subjects, and titles. It uses coded data fields to represent details like names, variant names, titles, and associated terms. This system ensures consistency and accuracy across library catalogs worldwide, making it easier to find and link related information. For example, it helps distinguish between authors with similar names and provides uniform headings for search and retrieval. Essentially, MARC21 Authority Data creates a structured framework that helps libraries manage and share authoritative, reliable bibliographic information efficiently.