The Amish, by A.M. Aurand, [1938], at sacred-texts.com
The Earliest Amish Congregation in the United States was established along North Kill Creek, Berks county, Pa., in 1735. The Indians subsequently crowded them southward, where today they are firmly rooted.
Their church membership is as follows, according to the "Familien-kalendar fuer das Jahr unseres Herrn 1937," edited by Mennonite Publishing House, Scottdale, Pa.: Mennonite Church (membership in U.S.A., 47,253); Amish Mennonites (Conservatives), 1608; Amish Mennonites (Old Order), 8,600; Church of God in Christ Mennonites, 2,700; Defenceless Mennonites, 1,500; Central Conference of Mennonites, 3,273; Mennonite Brethren Church of North America, 12,500; Krimmer M. Bruedergemeinde, 1,850.