This series is comprised of a total of 60 items arranged in 6 subfiles and contains brochures, pamphlets, reprints, books, theses and periodicals. The publications range in date from 1906 to 1939, but most of the documents date from the 1920s and the 1930s. Most of the documents are written in English, some of them in French or German, and only a few in other languages. The series includes publications of missionary organizations and reports of international missionary conferences as well as documents on religious questions and churches in general.