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Online public access catalog. The online public access catalog ( OPAC ), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.
The card catalog was a familiar sight to library users for generations, but it has been effectively replaced by the online public access catalog (OPAC). Some still refer to the online catalog as a "card catalog". Some libraries with OPAC access still have card catalogs on site, but these are now strictly a secondary resource and are seldom updated.
756372754. WorldCat is a union catalog that itemizes the collections of tens of thousands of institutions (mostly libraries ), in many countries, that are current or past members of the OCLC global cooperative. [3] It is operated by OCLC, Inc. [4] Many of the OCLC member libraries collectively maintain WorldCat's database, the world's largest ...
The Fall 1969 issue of the Whole Earth Catalog. The Whole Earth Catalog ( WEC) was an American counterculture magazine and product catalog published by Stewart Brand several times a year between 1968 and 1972, and occasionally thereafter, until 1998. The magazine featured essays and articles, but was primarily focused on product reviews.
The ANT catalog [a] (or TAO catalog) is a classified product catalog by the U.S. National Security Agency (NSA) of which the version written in 2008–2009 was published by German news magazine Der Spiegel in December 2013. Forty-nine catalog pages [b] with pictures, diagrams and descriptions of espionage devices and spying software were published.
Hammacher Schlemmer began as a hardware store specializing in hard-to-find tools in the Bowery district of New York City in 1848. Owned by proprietors Charles Tollner and Mr. R. Stern, [2] it became one of the first national hardware stores. A few months later, Stern withdrew and Tollner continued the business until 1859, moving in 1857 to 209 ...
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 ...
v. t. e. In library and information science, cataloging ( US) or cataloguing ( UK) is the process of creating metadata representing information resources, such as books, sound recordings, moving images, etc. Cataloging provides information such as author's names, titles, and subject terms that describe resources, typically through the creation ...
Download as PDF; Printable version; An ... An online catalog or online catalogue might refer to: The retail product offerings of an online shopping service; An ...
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