This series is comprised of 39 titles and contains pamphlets, reprints, bibliograhical transcripts, brochures, exhibit catalogues, theses, books, charts, and congress protocols. The publications range in date from 1926 to 1951 (with greatest coverage in the 1930s) and are written in four different languages. They deal with questions of radio broadcasting, the main topics being educational broadcasting and the relation between radio and international understanding.
This series is comprised of 32 items arranged in two subfiles and contains brochures, books and copies. The publications range in date from 1920 to 1940, but most of the documents date from the 1930s. Nearly all of them are written in English. The series includes annual reports of different museums and galleries of several countries and one item on obscene publications.