Chapter 3
Library of congress
Deway Decimal classification
The Library of Congress is the research library of the United States Congress, de factonational library of the United States, and the oldest federal cultural institution in the United States. Located in three buildings in Washington, D.C., it is the largest library in the world by shelf space and number of books. The head of the Library is the Librarian of Congress, currently James H. Billington.
The Library of Congress was built by Congress in 1800, and was housed in the United States Capitol for most of the 19th century. After much of the original collection had been destroyed during the War of 1812, Thomas Jefferson sold 6,487 books, his entire personal collection, to the library in 1815.[2][3] After a period of decline during the mid-19th century the Library of Congress began to grow rapidly in both size and importance after theAmerican Civil War, culminating in the construction of a separate library building and the transference of all copyright deposit holdings to the Library. During the rapid expansion of the 20th century the Library of Congress assumed a preeminent public role, becoming a "library of last resort" and expanding its mission for the benefit of scholars and the American people.
The Library's primary mission is researching inquiries made by members of Congress through the Congressional Research Service. Although it is open to the public, only Members of Congress, Supreme Court justices and other high-ranking government officials may check out books. As the de facto national library, the Library of Congress promotes literacy and American literature through projects such as the American Folklife Center,American Memory, Center for the Book and Poet Laureate.
Deway Decimal classification
The Dewey Decimal Classification (DDC) system is the world’s most widely used library classification system. The 23rd edition of the DDC enhances the efficiency and accuracy of your classification work in ways no previous editions have done.
You can use the DDC in several convenient formats. The four-volume print edition includes thousands of updates added to the system over the past seven years. The electronic version, WebDewey, enhances the print updates with online delivery that is updated continuously. And the Abridged Edition 14, also available in print and online, is a simplified version perfect for smaller collections. Whether you choose the print or electronic format (or both), DDC 23 makes it easier than ever to organize your library collections.
The DDC evolves continually to keep up with recorded knowledge. You can find news about DDC developments in several ways, including a semiannual DDC newsletter, DDC conferences and workshops, OCLC Newsletter articles and case studies.
The Library of Congress
= http://catalog.loc.gov/
Sripatum University Library
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