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. read more