We t is impossible these days to see a collection journal, attend a library conference, if not possess a laid-back chat with most other librarians in the place of hearing new phrases “MARC structure,” “MARC facts,” or “MARC-compatible.” Many collection benefits haven’t got a chance to bring specialized courses detailing the main subject areas away from collection automation additionally the part from MARC, yet automatic collection assistance are an important part of its libraries.
Which booklet will explain — on the best terms it is possible to — just what a great MARC checklist was, and this will provide the very first recommendations needed to know and you will have a look at a great MARC authority number. A partner document, Knowledge MARC Bibliographic, focuses primarily on the MARC bibliographic checklist.
What does MARC Mean?
Machine-readable: “Machine-readable” implies that a pc, is also understand and you can translate the information and knowledge within the an archive. The second profiles will explain why this is really important and just how its made possible.
Cataloging number: Cataloging facts have two types: 1) Bibliographic info, containing information regarding a book, serial, sound recording, videorecording, an such like., and you can dos) Power info, that have standard models to have brands, headings, and you may victims which might be applied to bibliographic suggestions and gives get across records when you look at the magazines. Facts MARC Bibliographic identifies the first sort of, it booklet refers to next.
MARC Power Number: MARC power ideas support the standardized kinds of brands for all of us, business regulators (like, communities, organizations, associations, an such like.), group meetings, titles, and you will victims. In this way, expert facts promote expert handle . Expert manage form starting a respectable means having an entity title and utilizing that means when the name’s called for since an entry point when you look at the a bibliographic listing.
Instance, for folks who checked on the library’s on the internet catalog on well-known publication, sexy italian girls “The Escapades out-of Tom Sawyer,” by Draw Twain, you can access the second bibliographic list monitor:
Area I
The writer and you can Subject records (emphasized a lot more than) try managed, approved forms of title and you can topic titles which might be present in independent power records and put because availableness circumstances about bibliographic number.
Rather than expert control, finding sorts of guides into the a huge library index could well be such as looking for good needle inside an effective haystack!
It is important to observe that brand new foods away from a reputation, or subject heading inside an authority record will be based upon basically recognized cataloging and you can thesaurus-strengthening conventions. The fresh new MARC 21 authority list simply keeps otherwise deal these titles to be used inside library expertise. Hence, it will not in itself put the rules getting formulating name or topic titles.
It is extremely vital that you note that in the place of bibliographic details, authority details do not portray content within the a great library’s range. Alternatively, he or she is devices utilized by librarians to get to consistency among bibliographic facts and provide a connecting build to possess associated labels and you can victims when you look at the a catalog — therefore organizing the fresh list to assist pages to find resources.
1) Headings, 2) Cross sources, and you can 3) Notes. (MARC authority details tend to and additionally consist of additional information.) Even if this type of components is explained briefly lower than, also, they are talked about regarding rest of so it booklet.
1) Heading: The new standard “authoritative” sorts of a name, topic, or term that is used for availability affairs with the bibliographic suggestions. The objective of having fun with standard names and you can sufferers to your bibliographic info should be to help associated info end up being retrieved to each other.
2) Get across records: References that direct a user out of a variant kind of a beneficial name otherwise susceptible to the latest authoritative means (this is titled a become source) or from formal setting to some other specialized function because they try regarding each other (this is named a get and additionally reference). Getting MARC power ideas, new references try carried or “traced” on the checklist towards the certified heading.