04. CBS MARC 21 fields defined in the authority format Laatst bijgewerkt Opslaan als pdf The translation on this website may be generated by machine translation. The quality and accuracy of machine translation can vary significantly from one text to another. Read the page in original English here. 01. Introduction02. Leader, fields 001, 003, 005, 008 – authority format03. Fields 01X-09X – Numbers and Codes – authority format04. Fields 1XX – Headings – authority format05. Fields 20X-29X / 260 – Complex Subject References – authority format06. Fields 3XX – Headings / 360 – Complex Subject References – authority format07. Fields 4XX – See From Tracings – authority format08. Fields 5XX – See Also From Tracings – authority format09. Fields 6XX / 64X – Series Treatment / 663-666 – Complex Name References / 667-68X – Notes – authority format10. Fields 7XX – Heading Linking Entries – authority format11. Fields 8XX – Other Variable Fields – authority format12. Fields 9XX – authority format