Raum, John O. The History of New Jersey: From Its Earliest Settlement to the Present Time, Volume 1, p. 267, J. E. Potter and company, 1877. Accessed 12 жовтня 2013. "Raritan township was formed from Amwell in 1838. Its population in 1850 was 3,070; in 1860, 2,270; and in 1870, 3,654. Flemington the county seat is in this township. Its population in 1870 was 1,412. In the vicinity of Flemington are valuable copper mines."