Dickinson Square: Dickinson Square. Plan of John Dickinson Square, 1st ward. Department of Public Works, Bureau of Surveys. Details included section of coping surrounding square and plan of space in pavement for tree planting. [ID: 12B-556; PWD ERV: 1075984; Drawing No.: 6956], c. 1890, Drawer: N2, Folder: 2.1. Philadelphia Water Department 12B - Drawings Donation, FP.2019.002. Fairmount Park Historic Resources Archive. https://pprarchives.libraryhost.com/repositories/2/archival_objects/4860 Accessed April 20, 2025.