The collection is one bound volume of transcribed letters documenting the travels of Reverend David E. Blaine and his wife Catharine Paine Blaine and their life in the Puget Sound area of Washington state. The volume also contains papers and genealogical information.

This collection contains the personal reminiscences of Methodist minister Reverend Henry Brown, who ministered in Iowa and eastern Washington State. The collection includes scrapbooks and newsclippings.

A selection of correspondence by multiple authors and received by Reverends R. Bangs, J.P. Durbin, and others, pertaining to missionary life and travel in California, Texas, New England, New York, Wisconsin, Panama, and Africa.

This collection contains religious and educational materials presumed to have belonged to Arnolda Almblad. Arnolda was the wife of Anton Almblad, a sub-agent of the British & Foreign Bible Society in Kalgan, Inner Mongolia. Some of the materials in the collection were published by the British and Foreign Bible Society, the Swedish Mongol Mission Press, and the Russian-Mongolian Publishing Company. The collection also contains a large number of photographs.

This collection contains correspondence (bulk), minutes, reports and journals by Henry K. W. Perkins, C. Pitman, George Gary, Jason Lee, William Roberts, and others.

Albert Schweitzer (1875-1965) was a medical missionary, philosopher, and Nobel Peace Prize winner (1952) who operated a hospital in Lambarene, Gabon, for 45 years. This collection contains Schweitzer biographer John D. Regester’s collection of Schweitzer-related correspondence, files, articles, clippings, photographs, and a 1940 manuscript on Indian and Chinese thought, and African artifacts.