A substantial portion of the Erich Hula Papers consists of his writings, both in typescript and published form. This includes his contributions to newspapers and journals as well as extensive notes from his research and for courses taught. The collection also contains correspondence files and biographical documents, and a large collection of reprints (and some typescripts) sent to and collected by Hula of colleagues and other scholars.

The John H. Herz Papers consist of documents and autobiographical materials, professional and personal correspondence, copies of Herz's published and unpublished writings, texts of numerous speeches and lectures, teaching materials, as well as Herz's research collections on topics relating to his writings and lectures.