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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.
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Open educational resources ( OER) [1] are teaching, learning, and research materials intentionally created and licensed to be free for the end user to own, share, and in most cases, modify. [2] [3] The term "OER" describes publicly accessible materials and resources for any user to use, re-mix, improve, and redistribute under some licenses. [4]
The Online Books Page is an index of e-text books available on the Internet. It is edited by John Mark Ockerbloom and is hosted by the library of the University of Pennsylvania . [2] The Online Books Page lists over 2 million books [3] and has several features, such as A Celebration of Women Writers and Banned Books Online .
Download as PDF; Printable version; ... Entries prior to 1978 are not published in the online catalog. ... Digital Library of Free & Borrowable Books, ...
Data source: Social Security Administration. For millions of us, it's best to aim to delay until age 70, to beef up our benefits.But if you simply need income as soon as possible, or your health ...
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. It is operated by OCLC, Inc. [4] Many of the OCLC member libraries collectively maintain WorldCat's database , the world's largest bibliographic ...
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 ...