1. Ager, P.
, &
Spargoli, F.
(2013). Bank deregulation, competition and economic growth: The US free banking experience. Retrieved from http://papers.tinbergen.nl/13210.pdf
2. Private banks in early Michigan, 1837–1884;Cliometrica,2018
3. Two Texas banks close, but not for want of cash;New York Times,1988