Rupp, I. D. 1., Young, J., Van Etten, J., & Burd, J. (1845). History of Northampton, Lehigh, Monroe, Carbon, and Schuylkill counties: Containing a brief history of the first settlers, topography of townships, notices of leading events, incidents, and interesting facts in the early history of these countries ; with an appendix, containing matters of deep interest ; embellished by several engravings. Lancaster, Pa.: Published and sold by G. Hills.

Rupp, I. Daniel 1803-1878., James Young, John Van Etten, and James Burd. History of Northampton, Lehigh, Monroe, Carbon, and Schuylkill Counties: Containing a Brief History of the First Settlers, Topography of Townships, Notices of Leading Events, Incidents, and Interesting Facts in the Early History of These Countries ; With an Appendix, Containing Matters of Deep Interest ; Embellished By Several Engravings. Lancaster, Pa.: Published and sold by G. Hills, 1845.

Rupp, I. Daniel 1803-1878., James Young, John Van Etten, and James Burd. History of Northampton, Lehigh, Monroe, Carbon, and Schuylkill Counties: Containing a Brief History of the First Settlers, Topography of Townships, Notices of Leading Events, Incidents, and Interesting Facts in the Early History of These Countries ; With an Appendix, Containing Matters of Deep Interest ; Embellished By Several Engravings. Lancaster, Pa.: Published and sold by G. Hills, 1845.