Raum, John O. The History of New Jersey: From Its Earliest Settlement to the Present Time, Volume 1, p. 272, J. E. Potter and company, 1877. Accessed 13 червня 2013. "Phillipsburg is on the Delaware directly opposite Easton in Pennsylvania. The city of the same name is divided into three wards. The population in 1860 was 3,741 and in 1870 5,932." Note that the 1860 population is for Phillipsburg Township, which was renamed to Lopatcong Township.
