The Encyclopedia of Greater Philadelphia is a civic project to increase understanding of one of America’s greatest cities. The Encyclopedia as a digital resource and print volume will offer the most comprehensive, authoritative reference source ever created for the Philadelphia region.Like Us On Facebook» Read Our Blog»
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The Mason-Dixon Line, which settled a border dispute dating back to the founding of Philadelphia, is the southern boundary of Pennsylvania. Originally surveyed by Englishmen Charles Mason (1728-86) and Jeremiah Dixon (1733-79), the line separates Pennsylvania from Maryland and West Virginia along the 39º43ˊ N. parallel and bounds Delaware along an arc that extends from ⇒ Read More
Each topic in The Encyclopedia of Greater Philadelphia is the product of many hours of research, writing, editing, and digital production. To build this resource to more than 1,000 topics spanning the region, we welcome your financial support.
The Encyclopedia of Greater Philadelphia is produced by the Mid-Atlantic Regional Center for the Humanities (MARCH) at Rutgers-Camden. Gifts to this project are made through the Rutgers University Foundation. Make a gift today.