The South Central Pennsylvania Genealogical Society
The South Central Pennsylvania
Genealogical Society, Inc.
P.O. Box 1824
York, PA 17405-1824
Many Pennsylvania counties have fine historical and genealogical societies, which should be checked for their book and manuscript collections. These include Adams, Berks, Blair, Bucks, Chester, Crawford, Cumberland, Lancaster, and York counties. See also Directory Pennsylvania 1990 by the Library Development of the State Library of Pennsylvania (Harrisburg, Pa.: 1990).