Ancestry.com. A genealogy and history of the Kauffman-Coffman families of North America, 1584 to 1937 [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Kauffman, Charles Fahs,. A genealogy and history of the Kauffman-Coffman families of North America, 1584 to 1937 : Including brief outlines of allied Swiss and Palatine families who were among the pioneer settlers in Lancaster and York counties of Pennsylvania from 1717 on; viz., Becker, Baer, Correll, Erisman, Fahs, Kuntz, Kneisley, Hershey, Hiestand, Meyers, Musselman, Neff, Martin, Ruby, Snavely, Shenk, Shirk, Sprenkle, Witmer, and others. York, Pa.: Kauffman, 1940.