Preston, W. W. (1901). History of Harford County, Maryland: From 1608 (the year of Smith's expedition) to the close of the War of 1812. Baltimore, Md.: Press of Sun Book Office.

Preston, Walter Wilkes. History of Harford County, Maryland: From 1608 (the Year of Smith's Expedition) to the Close of the War of 1812. Baltimore, Md.: Press of Sun Book Office, 1901.

Preston, Walter Wilkes. History of Harford County, Maryland: From 1608 (the Year of Smith's Expedition) to the Close of the War of 1812. Baltimore, Md.: Press of Sun Book Office, 1901.