The Historical Society of Pennsylvania has extensive holdings on the history of Philadelphia and Pennsylvania, including hundreds of useful handbooks, guides, and histories. In addition to the published holdings listed here, researchers can delve deeply into manuscript collections that shed light on the area's history.
The following is a very small sampling of the Society's resources related to Philadelphia and Pennsylvania history. For a broader look at HSP's holdings, search our online catalog for "Pennsylvania"; "Philadelphia"; other town, township or county names; or other locations and landmarks that may provide insights into your research topic. You can also contact a Reference Librarian for further assistance.