Combined library catalog describing the collections of a number of libraries
A union catalog is a combined library catalog describing the collections of a number of libraries. Union catalogs have been created in a range of media, including book format, microform, cards and more recently, networked electronic databases. Print union catalogs are typically arranged by title, author or subject (often employing a controlled vocabulary); electronic versions typically support keyword and Boolean queries. Union catalogs are useful to librarians, as they assist in locating and requesting materials from other libraries through interlibrary loan service. They also allow researchers to search through collections to which they would not otherwise have access, such as manuscript collections.
The largest union catalog ever printed is the American National Union Catalog Pre-1956 Imprints (NUC), completed in 1981.[1] This achievement has since been superseded by the creation of union catalogs in the form of electronic databases, of which the largest is OCLC's WorldCat. Other examples include K10plus in Germany, Library Hub Discover (formerly COPAC) provided by Research Libraries UK and AMICUS, provided by Library and Archives Canada.[2]
For academic publications, several academic search engines exist to combine the open data provided by open archives through OAI-PMH, as well as records from publishers deposited in CrossRef and other sources. They include BASE, CORE and Unpaywall, which indexes over 20 million open access publications as of 2020.[3]
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A unioncatalog is a combined library catalog describing the collections of a number of libraries. Unioncatalogs have been created in a range of media...
network of libraries at several locations. A catalog for a group of libraries is also called a unioncatalog. A bibliographic item can be any information...
The National UnionCatalog (NUC) is a printed catalog of books catalogued by the Library of Congress and other American and Canadian libraries, issued...
WorldCat is a unioncatalog that itemizes the collections of tens of thousands of institutions (mostly libraries), in many countries, that are current...
The online public access catalog (OPAC), now frequently synonymous with library catalog, is an online database of materials held by a library or group...
Library Hub Discover is a unioncatalog operated by Jisc. It replaces Copac and SUNCAT. Its user interface is centred around a simple search engine-like...
the early 20th century. The "UnionCatalog of the Collections of the National Art Museums, Japan" is a consolidated catalog of material held by the four...
The Union List of Israel (ULI), or Israel UnionCatalog, is a public online unioncatalog in Israel containing over eight million bibliographic records...
produce and maintain WorldCat—the OCLC Online UnionCatalog, the largest online public access catalog (OPAC) in the world. WorldCat has holding records...
military personnel and more. In 2006 the library created the Arabic UnionCatalog. This is shared with OCLC, and is available on their WorldCat database...
NUCMC is the abbreviation for the National UnionCatalog of Manuscript Collections. It is a national-level program based at the Library of Congress that...
Netherlands unioncatalog, several German library consortia (including GBV, Hebis and SWB), the Australian national library, the French unioncatalog SUDOC...
per il catalogo unico (National UnionCatalog Center), that had in turn been created in 1951 to build a single catalog of all the libraries in the nation...
"Grimm: Jacob (Ludwig Karl)" and "Grimm: Wilhelm (Karl)". The National UnionCatalog Pre-1956 Imprints also gives Wilhelm's name as "Grimm, Wilhelm Karl"...
a unique identifier.[citation needed] The MARC Code for the Swedish UnionCatalog is SE-LIBR, normalized: selibr. The development of LIBRIS can be traced...
search, unioncatalogs were an important tool for finding materials in libraries and archives. In the United States, the National UnionCatalog and the...
academic libraries in Bavaria, Germany. It operates a unioncatalog, the Bavarian UnionCatalog. The catalog is not part of K10plus. Based in Munich, it is one...
The Jewish Catalog is a series of books published by the Jewish Publication Society in three volumes (1973, 1976, and 1980), which had a significant cultural...
value. In 1911, Manoel Cicero Peregrino da Silva started a national unioncatalog for all Brazilian libraries. He set up the first library science course...
The Whole Earth Catalog (WEC) was an American counterculture magazine and product catalog published by Stewart Brand several times a year between 1968...
the unioncatalog of the German library networks GBV (Common Library Network) and SWB (Southwest German Library Network). It combines the catalogs of the...
GAMMA GOOCHEE Kingsmen – Wand 1107 Library of Congress catalogs – Music. National unioncatalog :music, books on music and sound recordings. Vol. 1 A–O...
library consortia. Resource sharing networks can provide an online unioncatalog of all items held by member libraries to facilitate interlibrary loan...
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