Philadelphia Lancaster Turnpike

A history, now available online, was published soon after the close of World War I:


 * Landis, Charles I. "History of the Philadelphia and Lancaster Turnpike: The First Long Turnpike in the United States," The Pennsylvania Magazine of History and Biography, Vol. 42 (1918):1-28; Vol. 42 (1918):127-140; Vol. 42 (1918):235-258; Vol. 42 (1918):358-360. For free online access, see WeRelate.