Links to other sites of interest:
Congregational Library and Archives, Boston
The Archives of the United Church of Christ
The Philip Schaff Library at Lancaster Theological Seminary
Lancaster Theological Seminary
The Archives of the Evangelical Lutheran Church in America
Presbyterian Historical Society (PCUSA)
Concordia Historical Institute (Lutheran Church – Missouri Synod)
Wisconsin Evangelical Lutheran Synod Archives
United Methodist Church Archives
Directory of Pennsylvania Genealogical & Historical Societies
German Society of Pennsylvania
Historical Society of Pennsylvania
Lancaster County Historical Society
Lancaster Mennonite Historical Society
Lutheran Archives Center at Philadelphia
Lutheran Historical Society of the Mid-Atlantic
The Methodist Archives and History Center of the United Methodist Church