Law library
A law library is a library designed to assist law students, attorneys, judges, and their law clerks and anyone else who finds it necessary to correctly determine the state of the law. Their focus on specialized information resources on the law, service to a specialized and limited clientele, and delivery of specialized services to that clientele classify them as a type of special library.
Most law schools around the world will also have a law library, or in some universities, at least a section of the university library devoted to law.
American law libraries
The largest law libraries in the world are found in the United States, due to the unique nature of American federalism and the extraordinarily complex legal system that developed as a result. The world's largest law library is the Law Library of Congress, which holds over 2.65 million volumes. The world's largest academic law library is the library of Harvard Law School, which holds over 2 million volumes. By way of contrast, the largest law library in the United Kingdom is the Bodleian Law Library, whose collection of 450,000 volumes is merely average by U.S. standards.