Messages from the governors of Maryland and Pennsylvania, transmitting the reports of the joint commissioners, and of Lieut. Col
Commission on boundary lines between Delaware, Maryland and Pennsylvania, 1850. [from old catalog]; Maryland. Governor, 1848-1851 (P. F. Thomas). [from old catalog]; Pennsylvania. Governor, 1848-1852 (William F. Johnston). [from old catalog]; Graham, J. D. (James Duncan), 1799-1865