1. Isaac Bronson: His Banking Theory and the Financial Controversies of the Jacksonian Period
2. Wilkins, Mira. 1989. The History of Foreign Investment in the United States to 1914. Cambridge, Mass.: Harvard University Press
3. Sturm, James L. 1969. “Investing in the United States, 1798–1893: Upper Wealth-Holders in a Market Economy.” Ph. D. diss., University of Wisconsin
4. “Thomas Willing (1731–1821): Philadelphia Financier and Forgotten Founding Father”;Wright;Pennsylvania History,1996
5. “The Town Proprietors of Lancaster, 1730–1790”;Wood;Pennsylvania Magazine of History and Biography,1970