MARC 21 (Q3919686)
protocol for encoding machine-readable bibliographic records
Language:
Current Data About MARC 21
(P31) (Q1924747)

(P101) (Q134995)

(P361) (Q722609)

(P856) http://www.loc.gov/marc/marc.html
(P407)
(P854) http://www.loc.gov/marc/marc.html
(P1476) "MARC STANDARDS (Network Development and MARC Standards Office, Library of Congress)" (language: en)
(P813) Saturday, January 19, 2019

other details
aliases MARC21
description protocol for encoding machine-readable bibliographic records

External Links
(P691) ph198699
(P2671) /g/121hxf1s
(P9100) marc21