History, research data, available services. Library collections, electronic catalogue. Scientific research activities, projects, publications. New arrivals.
Outline of the repository, collections, publications, manuscripts. Electronic catalogues. Information about programs, projects, exhibits, seminars. Catalogue of publications. News about the library.
One of the largest libraries of the world. Located in Washington DC. Is the library of studies for the Congress of the United States; services, government agencies, research institutions, scientists, private firms and industrial companies, and schools.