Historical Society of Pennsylvania Email Format

Research ServicesPennsylvania, United States11-50 Employees

The Historical Society of Pennsylvania is a Philadelphia, Pennsylvania-based research library and archive founded in 1824. It houses approximately 600,000 printed items and over 21 million manuscript and graphic items, with collections covering more than 350 years of American history. The organization operates as a small to mid-sized institution whose holdings and educational programming support historical documentation, study, and public engagement.

Its work serves researchers, educators, students, and the broader public seeking historical understanding. A notable recent development is the February 2026 acquisition of the University of the Arts institutional records, preserving nearly 150 years of creative and cultural history.

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