Hauser, J. J. 1. (1902). A history of Lehigh County, Pennsylvania: From the earliest settlements to the present time, including much valuable information for the use of schools, families, libraries ([2d ed.].). Allentown, Pa.: Jacks, the Printer.

Hauser, J. J. 1854-. A History of Lehigh County, Pennsylvania: From the Earliest Settlements to the Present Time, Including Much Valuable Information for the Use of Schools, Families, Libraries. [2d ed.]. Allentown, Pa.: Jacks, the Printer, 1902.

Hauser, J. J. 1854-. A History of Lehigh County, Pennsylvania: From the Earliest Settlements to the Present Time, Including Much Valuable Information for the Use of Schools, Families, Libraries. [2d ed.]. Allentown, Pa.: Jacks, the Printer, 1902.