- A natural spring near present day Kernwood Country Club that was used for drinking water by the locals. It was located on Liberty Hill Avenue and Kernwood Road.
- Cold Spring was so called as early as 1793.
- It was known as Goodale's spring as early 1658, because Robert Goodale owned it and lived in the field northeasterly of it at the time.
- According to the Visitor's Guide to Salem (1937 ed.) Liberty Hill had been a park and a favorite resort for many people on account of the "Cold Spring". These springs of pure cold water have been used for centuries.
- Vertical File in Salem Collctin - Cold Springs
- Vertical file in Salem Collection - North Salem
- History of Salem by Sidney Perley, vol. 1, p.8.
- Old Naumkeag C.H.Webber, p. 186-7
- Visitor's Guide to Salem 1937 ed. , p. 210
- "How Liberty Hill was saved" (letters to the editor) Salem News, Sept. 7, 2012, p. 5