Pennsylvania library system
Encyclopedia
The Pennsylvania library system is a network of libraries
Library
In a traditional sense, a library is a large collection of books, and can refer to the place in which the collection is housed. Today, the term can refer to any collection, including digital sources, resources, and services...

 that are connected by Inter Library Loan (ILL) and many different services, such as PA Power Library and Access Pennsylvania.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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