An excellent subfield: Most sphere have multiple relevant pieces of analysis. Each type of information in profession is known as a beneficial subfield , and every subfield is actually preceded of the a beneficial delimiter-subfield password integration . Areas 001 by way of 009 do not have subfields.
Instance, the field to possess a personal title heading has an excellent subfield to own your own term, numeration, titles and you will dates for the label, certainly many others.
A subfield password: Subfield rules try that lowercase page (sometimes several) preceded of the a delimiter. An effective delimiter try a character used to independent subfields. Per subfield code indicates what sort of studies observe it. (Per occupation in the MARC 21 authority format, the brand new MARC 21 paperwork listings and you may describes the fresh new appropriate subfield codes.)
About significantly more than analogy, the newest subfield rules are $a private identity, $b Dominikaanit tyttö avioliitto virasto to have numeration, $c to own headings or other words associated with the a reputation, and you may $d having schedules of the a reputation.
An excellent delimiter: Some other software programs have fun with various other characters so you can portray new delimiter toward the fresh new screen or towards the printouts. Instances are a dual dagger ( ), a keen “in the sign” (), a money signal ($), an enthusiastic underline ( _ ), and/or graphic icon ” “. In this guide the fresh new buck indication ($) can be used because delimiter portion of the subfield code.
step one. This new power checklist stuff.
An expert number is good for for each and every registered type of a great heading. Getting names, probably one of the most widely used expert records is the Collection regarding Congress Label Authority Document (otherwise LCNAF). You to definitely document is used inside document to own advice. The entire document is available regarding Cataloging Shipping Services (or Cds) or possibly sought out online at the: Getting subject areas otherwise geographic brands, typically the most popular subject expert file is the LCSH. It is offered by Dvds in print and you will digital means. There are many different other topic heading listings, such as the Sears List of Subject Titles plus the Art and you may Architecture Thesaurus . The form of a subject supposed is matches that within these listings otherwise go after the laws having framework.
All the titles are among the after the systems: names , name/name combos , consistent headings , otherwise sufferers . Types of title headings include:
A reputation/identity supposed contains one another a name and you will a concept of a work. Title section includes a personal, corporate, conference, or legislation title. The new title piece has got the label whereby an item or a series will be understood to possess cataloging motives. It is especially used in vintage work that have been wrote less than various other titles over time. A good example of a name/term heading try:
What’s a MARC Authority Checklist
An interest heading can be just one label, terms, otherwise a small grouping of terms and conditions. New tag towards subject is founded on the original label or words on the going — situation, genre/form, geographic, chronological, personal term, business term, conference name, otherwise label. Others terms and conditions on heading have been in particular subfields one have been called subdivisions.
MARC 21 power details have two types of mix references you to definitely both direct a person out of a keen unauthorized going to an authorized going (speaking of named “select sources” and make use of 4XX tags) otherwise from a single signed up heading to a separate (these are called “look for and records” and rehearse 5XX tags). Real mix references are generally not sent explicitly within the authority facts, although not. Instead, version setting and you will relevant titles is actually “traced” in the power list towards the subscribed form. Tracing mix sources in place of to make separate authority information having references allows effective and you will direct monitor of expert pointers from the catalogs — while the profiles see the pointers on function which is suitable for them. Cross-reference screens may then end up being from solutions which mix brand new belongings in good tracing source career and 1XX supposed world of accurate documentation.
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