Tranchepain. Travels through the United States and America. London 1828.
United States. Journals of Congress, XII., XIII. Philadelphia 1801. Treaties and Conventions concluded between the United States of America and other powers since July 4, 1776. Washington 1873.
Volney, C. F. View of the Climate and Soil of the United States of America. London 1814.
Welby, Adlard. Visit to North America and the English settlements in Illinois, with a winter residence in Philadelphia, solely to ascertain the actual prospects of the emigrating agriculturalist, mechanic, and commercial speculator. London 1821. Reprinted in Thwaites' Early Western Travels. XII.
SECONDARY WORKS.
Hildreth, S. Prescott. Biographical and historical memoirs of the early pioneer settlers of Ohio. Cincinnati 1852.
Hinsdale, Burke A. The Old Northwest, the beginning of our colonial system. Boston 1899.
Howe, Henry. Historical collections of Ohio relating to its general and local history. Cincinnati 1847.
Hulbert, Archer Butler. Historic Highways of America, IX. 1902-1905.
Peck, J. M. and Perkins, J. H. Annals of the West. 1850.