https://www.history.com/topics/american-revolution/valley-forge
https://www.nps.gov/vafo/learn/historyculture/valley-forge-history-and-significance.htm
https://allthingsliberty.com/2018/01/battle-valley-forge/#:~:text=The%20Battle%20of%20Valley%20Forge.%20On%20Valley%20Creek%2C,Forge%2C%20named%20for%20an%20ironworks%20established%20in%201742.
https://phdessay.com/the-battle-of-valley-forge/
