Raum, John O. The History of New Jersey: From Its Earliest Settlement to the Present Time, Volume 1, p. 271, J. E. Potter and company, 1877. Accessed 26 лютого 2013. "Vernon is the extreme north-eastern township. It is extremely mountainous, the Pochuck, Hamburgh and Wawayanda mountains passing through its entire length from north to south. Its population in 1850 was 2,619; in 1860, 2,190; and in 1870, 1,979."