Peter Tolf and a church record

A shaking leaf on Family Tree Maker tells me there is a clue about my 2nd great-grandfather Peter August Tolf (1858-1929) in the U.S., Evangelical Covenant Church, Swedish American Church Records, 1868-1970. The record includes a history of the Evangelical Covenant Church of Batavia [Illinois], which was formerly called the Swedish Evangelical Mission Church of…