Baltimore, F. C., Penn, T., & Penn, R. (1851). Indenture of the agreement 4th July, 1760, between Lord Baltimore and Thomas and Richard Penn, esquires, settling the limits and boundaries of Maryland, Pennsylvania, and the three lower counties of Newcastle, Kent and Sussex, on Delaware. Philadelphia: Printed by Kite and Walton.

Baltimore, Frederick Calvert, Thomas Penn, and Richard Penn. Indenture of the Agreement 4th July, 1760, between Lord Baltimore and Thomas and Richard Penn, Esquires, Settling the Limits and Boundaries of Maryland, Pennsylvania, and the Three Lower Counties of Newcastle, Kent and Sussex, On Delaware. Philadelphia: Printed by Kite and Walton, 1851.

Baltimore, Frederick Calvert, Thomas Penn, and Richard Penn. Indenture of the Agreement 4th July, 1760, between Lord Baltimore and Thomas and Richard Penn, Esquires, Settling the Limits and Boundaries of Maryland, Pennsylvania, and the Three Lower Counties of Newcastle, Kent and Sussex, On Delaware. Philadelphia: Printed by Kite and Walton, 1851.