This series is comprised of 322 titles (including 15 duplicate copies, which are not individually numbered) and contains pamphlets, reprints, brochures, leagal texts, bulletins, books, congress publications, theses, newspaper clippings and session protocols. The publications range in date from 1884 to 1955 (with greatest coverage in the 1920s and 1930s) and are written in 11 different langauges, some items having several translations. They deal with questions of prosititution, the main topics being campaigns against the state regulation of prostitution and venereal diseases.

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.