The Hans Sperber Papers contain speeches and writings on political language (1944-1959), radio talks (in German) on the German language (1927-1928) and studies on word derivations and semantics. It also includes essays, articles, lectures, and audiotapes of lectures.

This collection contains two copies of the transcript Three Witnesses to our Crisis by Oskar Seidlin, a series of radio talks given by Seidlin over WOSU, the radio station of Ohio State University.