[Item title, Box number, Folder number], Joseph Balk Second World War correspondence (2017.210.w.r), Center for American War Letters Archives, Chapman University, CA.
[Item title, Box number, Folder number], Joseph Balk Second World War correspondence (2017.210.w.r), Center for American War Letters Archives, Chapman University, CA. https://chapman.lyrasistechnology.org/repositories/4/resources/466 Accessed January 26, 2021.