The Society maintains an extensive library of books related to the history of the communities along the Old York Road Corridor and also covering Montgomery, Bucks and Philadelphia Counties, the Delaware Valley, and Pennsylvania.  In addition to many locally published organizational and community histories, the general regional holdings include the following:

Old York Road:

The Old York Road and Its Early Associations of History & Biography, 1670-1870, Mears, 1890

The York Road, Old and New, Hotchkin, 1892

Montgomery County:

History of Montgomery County, Bean, 1884

Biographical and Portrait Cyclopedia of Montgomery County, Ruoff, 1895

Historical Sketches: A Collection of Papers Prepared for the Historical Society of Montgomery County, Montgomery County Historical Society, 7 vols., 1895-1925

Biographical Annals of Montgomery County, Roberts, 2 vols., 1904

Montgomery County: The Second Hundred Years, Montgomery County Federation of Historical Societies, 2 vols., 1993

Bucks County:

History of Bucks County from the Discovery of the Delaware to the Present, Davis, 3 vols., 1905

A Collection of Papers Read Before the Bucks County Historical Society, Bucks County Historical Society, 8 vols., 1908-1940

Philadelphia County:

Annals of Philadelphia and Pennsylvania in the Olden Times: Being a Collection of Memoirs, Anecdotes, and Incidents, Watson, 3 vols., 1877

History of Philadelphia 1609-1884, Scharf & Wescott, 3 vols., 1884

Encyclopedia of Philadelphia, Jackson, 4 vols., 1911


Encyclopedia of Pennsylvania Biography, vols. 1-7, 14, 18, 26, 28, 29

Colonial Records, 21 vols.

Pennsylvania Archives, Series I-IX, 119 vols.

Memoirs of the Historical Society of Pennsylvania, 1828-1895 (vols. 1, 2, 4-14)

Civil War:

War of the Rebellion: Official Records of the Union and Confederate Armies, 130 vols.

Bates’ History of the Pennsylvania Volunteers, 6 vols.

Battles & Leaders of the Civil War, The Century Company, 4 vols., 1887