RT Review T1 Holding the Line: The Telephone in the Old Order Mennonite and Amish Life. By Diane Zimmerman Umble. Baltimore, Md.: Johns Hopkins University Press, 1996. xix + 194 pp JF Church history VO 66 IS 3 SP 640 OP 641 A1 Ringenberg, William C. LA English PB Cambridge Univ. Press YR 1997 UL https://ixtheo.de/Record/1779489404 K1 Rezension DO 10.2307/3169532