The collection contains materials related to Warner's personal activities as a missionary. Most of the documents are personal letters. These letters are directed to family and friends and dated from 1929 to 1987. Unfortunately, the years 1968-1985 are missing. Content in these letters are usually only a few lines and discuss events, school activities, and weather conditions.The other part of this collection contains various clippings, programs, brochure, post cards, Christmas cards, play scripts, drawing, and photographs related to Warner's work and family.