The State Library of Pennsylvania is one of the largest research libraries in the Commonwealth of Pennsylvania. Until 1971 it was known as the Pennsylvania State Library The Office of Commonwealth Libraries, within the Pennsylvania Department of Education, has holdings in almost every area of human concern. It provides information and materials from its collections and automated resources to state government, state institutions and the general public. It is also charged with maintaining a definitive collection of publications of all agencies of the Commonwealth and serves as a Regional Depository for United States Government Publications.