Organized in 1852, the Presbyterian Historical Society is the oldest denominational archives in the United States and serves as the national archives for the Presbyterian Church (U. S. A.) and many predecessor denominations. Its holdings include more than 250,000 titles reflecting the history of the Presbyterian tradition in America.
The archival holdings consist of approximately 30,000 cubic feet of official records and personal papers. These include records of congregations, presbyteries, synods, and General Assembly agencies of the current and some predecessor Presbyterian and Reformed denominations in America.
These records are supplemented by the personal papers (including correspondence, diaries, and photographs) of significant Presbyterians and ecumenists, with a particular emphasis on mission history in this country and abroad. The Society also serves as the archives for ecumenical organizations including the Federal and National Council of Churches, the American Sunday School Union, and Religious News Service.