This collection contains sermons, notes, news clippings, articles, speeches, and photographs which document the ministerial career of I. F. Bergstresser. The bulk of this collection is comprised of sermons. A few sermons are in German. Articles Bergstressed used in preparing the sermons are included. Topics in his sermons include temperance, patriotism, Labor Day, Easter, Thanksgiving, Rally Days, Sunday School, and missions. In addition, there are several funeral sermons including those given on the deaths of Matilda A. Yeager, Lewis D. Krause, Louise E. Wentz, and Mrs. Wesley Bowman. Some of the addresses Bergstresser gave while he was a minister are included in this collection. Other items in this collection are mission materials (including two booklets by Walter Haller), a book on the first commemorative historical marker in the Evangelical Church, religious tracts, and a pastor's funeral book. There are also several large black and white panoramic photographs of conference meetings and conventions held in the Evangelical Church.

The collection is primarily made up of sermons and speeches. Most of the folders contain supporting documents directly related to the sermons and addresses in the forms of bulletins, correspondence and other ephemera. There are three additional folders at the end of the collection which focuses on prayers, annual conference meetings and manuscript fragments. Topics range far and wide within the standard theological spectrum. They reflect the many ministries in which Craig was involved during her career.