The Historical Society of Pennsylvania, founded in 1824, is one of the nation’s largest archives of historical documents.

About Us

The Historical Society of Pennsylvania, founded in 1824, is one of the nation’s largest archives of historical documents. We are proud to serve as Philadelphia’s Library of American History, with over 21 million manuscripts, books, and graphic images encompassing centuries of US history. HSP serves more than 4,000 on-site researchers annually and millions more around the globe who use its online resources. HSP is also a leading center for the documentation and study of ethnic communities and immigrant experiences in the 20th century, and one of the largest family history libraries in the country. Through educator workshops, research opportunities, public programs and lectures throughout the year, we strive to make history relevant and exhilarating to all.

  • Staff


    Staff may be contacted through HSP's main telephone line: 215-732-6200. Individual extensions are listed herein.
  • Board of Councilors

    Board of Councilors

    Executive Committee, Counilors, Ex Officio Emeritus
  • Annual Reports

    Annual Reports

    The Historical Society of Pennsylvania’s Annual Reports for recent years are now available.
  • Strategic Plan

    Strategic Plan

    Read our forward-thinking strategic plan to learn how we will grow our impact and connect modern audiences with the United States' rich history.
  • Facility Rental

    Facility Rental

    Host family, friends, clients, and colleagues in the intimate setting of the Historical Society of Pennsylvania, an affordable and unique historic venue located in the heart of Center City, Philadelphia.
  • Opportunities


    Individuals interested in career, internship, or volunteer opportunities should check this page frequently for updated listings.
  • Fellowships


    HSP and the Library Company of Philadelphia jointly award approximately 25 one-month fellowships for research in residence in either or both collections during each academic year.
  • Public Speakers Bureau

    Public Speakers Bureau

    The Historical Society of Pennsylvania offers a variety of talks that highlight its collections. The talks are offered to all organizations, including schools, and can be presented at HSP or off-site.


1300 Locust Street

Philadelphia, PA 19107 (map)
T: (215) 732-6200

F: (215) 732-2680

Library Hours

Tuesday: 12:30 - 5:30 p.m.

Wednesday: 12:30 - 8:30 p.m.

Thursday: 12:30 - 5:30 p.m.

Friday: 10 a.m. - 5:30 p.m.

© 2020 by Historical Society of Pennsylvania

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