The pages seen in the episode were from the mystery novel, Dangerous Groud, by author Frances Sil Wickware. This novel was published in 1946. Information on Boston was from page 72.
In "The Neutral Zone", the name of this city was never mentioned in dialog; the name came from the remastered Clare Raymond family tree. Charles W. Raymond was named after Charles Winchester, a character from the dramedy M*A*S*H. This character was from Boston.