Committee on Branch, Group & Chain Banking: Banks Operating Branches, Summary of Branches by States & Classes, 1900-1936, Phila. G-Pennsylvania Z, Box 1808, Folder 3, Records of the Federal Reserve System, Record Group 82. United States. National Archives and Records Administration. https://fraser.stlouisfed.org/archival/1344/item/593384, accessed on January 18, 2026.