Breck, S. (1818). Sketch of the internal improvements already made by Pennsylvania: With observations upon her physical and fiscal means for their extension; particularly as they have reference to the future growth and prosperity of Philadelphia. ; Illustrated by maps of the head-waters of the principal rivers of the state. J. Maxwell, printer.
Chicago-Zitierstil (17. Ausg.)Breck, Samuel. Sketch of the Internal Improvements Already Made by Pennsylvania: With Observations upon Her Physical and Fiscal Means for Their Extension; Particularly as They Have Reference to the Future Growth and Prosperity of Philadelphia. ; Illustrated by Maps of the Head-waters of the Principal Rivers of the State. Philadelphia: J. Maxwell, printer, 1818.
MLA-Zitierstil (9. Ausg.)Breck, Samuel. Sketch of the Internal Improvements Already Made by Pennsylvania: With Observations upon Her Physical and Fiscal Means for Their Extension; Particularly as They Have Reference to the Future Growth and Prosperity of Philadelphia. ; Illustrated by Maps of the Head-waters of the Principal Rivers of the State. J. Maxwell, printer, 1818.