We t are hopeless these days to read a collection log, sit-in a collection conference, if not enjoys an informal talk with other librarians in place of reading the sentences «MARC format,» «MARC details,» or «MARC-appropriate.» Of several collection gurus have not had a chance to grab authoritative programmes explaining the important subject areas of collection automation and the part of MARC, but really automated library systems are an important part of its libraries.
Which booklet will show you — from the easiest words you are able to — just what a great MARC list was, and it will surely supply the first guidance necessary to learn and you can view a beneficial MARC expert number. A companion document, Knowledge MARC Bibliographic, focuses primarily on the brand new MARC bibliographic number.
Precisely what does MARC Suggest?
Machine-readable: «Machine-readable» means that a pc, can be discover and you may understand the content when you look at the an archive. The second pages will explain as to the reasons this is very important as well as how it is made possible.
Cataloging number: Cataloging info come into two types: 1) Bibliographic information, that contain facts about a text, serial, sound recording, videorecording, etcetera., and you may dos) Expert information, which contain standard models getting brands, headings, and sufferers that are placed on bibliographic ideas and gives cross references in the catalogs. Facts MARC Bibliographic describes the original style of, which booklet identifies next.
MARC Authority List: MARC authority records contain the standardized forms of labels for people, corporate bodies (such, societies, people, organizations, etc.), group meetings, headings, and subjects. This way, expert facts promote expert control . Power control setting setting up a reputable setting for an entity label and making use of you to function whenever the name’s called for due to the fact a keen access point inside a good bibliographic number.
Such as for example, if you featured on your own library’s online index towards well-known guide, «This new Activities out of Tom Sawyer,» of the Mark Twain, you might recover next bibliographic list display screen:
Area I
The writer and you may Topic entries (showcased over) is managed, recognized different label and you may subject titles that are within separate power ideas and made use of as availability affairs in the bibliographic number.
Instead of power manage, in sexy girl australia search of style of courses inside the a large library collection might be such in search of an excellent needle for the good haystack!
It is very important keep in mind that new materials out of a name, otherwise subject going inside an expert record will be based upon essentially approved cataloging and you will thesaurus-building conventions. The brand new MARC 21 authority checklist only holds otherwise deal these types of headings for usage in library options. Therefore, it doesn’t in itself put the rules getting creating label otherwise topic headings.
It is extremely important to note that instead of bibliographic records, power information do not portray information inside the an excellent library’s collection. Alternatively, he could be systems used by librarians to attain surface among bibliographic details and supply a linking framework having associated brands and you can sufferers for the a collection — therefore organizing the fresh new index to help users finding resources.
1) Titles, 2) Mix references, and you will 3) Notes. (MARC power suggestions will also include more details.) No matter if this type of components was discussed temporarily less than, also, they are chatted about from the remainder of that it booklet.
1) Heading: The fresh new standard «authoritative» type of a reputation, subject, otherwise term which is used for availableness items towards the bibliographic info. The goal of playing with standard labels and you will sufferers for the bibliographic ideas is to assist related info become retrieved together.
2) Mix recommendations: Sources you to definitely direct a user regarding a version brand of a great term or susceptible to the new official function (this is exactly entitled a have resource) or from one certified form to some other certified setting as they was connected with one another (this is entitled a become also source). To have MARC power information, the brand new sources are sent otherwise «traced» for the number with the formal going.