Sermons, personal memorabilia, audio tape of Trotter's preaching, negatives, photographs, minutes, reports, newspaper clippings, and correspondence related to Trotter's ministry as an evangelist and in rescue mission work. Collection combines Trotter's papers and the City Rescue Mission's records, including invitations to speak, responses to invitations from Trotter to speak at the mission, an abstract of a deed, requests for funds, testimonials to the good work of the mission, reports from co-workers of activities, and handbills announcing various revival campaigns.  Personalities featured include B.D. Ackley, Charles Alexander, William Asher, Paul Beckwith, Homer Hammontree, Henry Ironside, Harry Monroe, W.D. Patton, Paul Rader, Homer Rodeheaver, and Billy Sunday.  Newspaper clippings and scrapbooks include much information on Trotter and his activities.  Subject covered include numerous sermon topics based on Bible passages or figures.