MARC (machine-readable cataloging) is a standard set of digital formats for the machine-readable description of items catalogued by libraries, such as books, DVDs, and digital resources.

MARC Train, along with the other modes of MDOT MTA and other local transit agencies, is on the Transit app. You can see where your train is and read any service alerts that have been issued.

This online publication provides access to both the full and concise versions of the MARC 21 Format for Bibliographic Data. The "full" bibliographic format contains detailed descriptions of every data …

Nov 5, 2025 · MARC stands for MAchine-Readable Cataloging, and is developed and maintained by the Library of Congress, in consultation with the MARC Advisory Committee (MAC), previously known as …

The MARC formats are standards for the representation and communication of bibliographic and related information in machine-readable form.

Oct 27, 2009 · This booklet will explain -- in the simplest terms possible -- what a MARC record is, and it will provide the basic information needed to understand and evaluate a MARC record.

MARC 21 Format for Bibliographic Data is designed to be a carrier for bibliographic information about printed and manuscript textual materials, computer files, maps, music, continuing resources, visual …

Sep 9, 2013 · What is a MARC Record, and Why is it Important? Part I: What Does MARC Mean? Part II: Why Is a MARC Record Necessary? Part IV: Where do MARC Records Originate?

This page lists the table of contents for the MARC 21 format documentation (Network Development and MARC Standards Office, Library of Congress)

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