The book is by Charles Fahs Kauffman called A genealogy and history of the Kauffman-Coffman families of North America, 1584 to 1937 can be purchased at the Lancaster Mennonite Historical Society 2215 Millstream Road Lancaster, PA 17602-1499 Phone: 717 393-9745 Hours: Tuesday - Saturday, 8:30 a.m. - 4:30 p.m.Closed Sundays, Mondays and Holidays <A HREF="http://lanclio.org/highlights/lmhs.htm">http://lanclio.org/highlights/lmhs.htm</A> The cost is $65 + $3 shipping. There are 776 pages to the book with a large index of surnames.