In traditional sense a library is a collection of books. It can mean the room that houses such “a collection of useful material for common use,” and in this sense in used in fields such as biology, statistics, electronics, computer science and mathematics. Now the modern libraries are increasingly being redefined a places to get unrestricted access to information in many formats from many sources. They are understood as extending beyond the physical walls of a building, by including material accessible by electronic means. There are many types of libraries, such as academic libraries, public libraries, research libraries, school libraries and special libraries...
Congress Libraries is the largest or biggest library in the world. It has the largest number of books, recordings, maps and manuscripts which are over 33,012,750 in number. Situated in Washington D.C, this is the oldest library of USA. It was established in 1800, when President John Adams signed a bill providing for the transfer of the seat of government from Philadelphia to the new capital city of Washington.
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