""The History of Mason and Dixon's Line"" is a book that contains an address by John H. B. Latrobe, which details the history of the famous boundary line between Pennsylvania and Maryland. The book provides a comprehensive account of the surveying and marking of the line by Charles Mason and Jeremiah Dixon in the 18th century, as well as its significance in American history. Latrobe's address also explores the social, political, and economic factors...