Contains photographs and certificates relating to Frank Engel. The photographs are inscribed to Frank from various colleagues. Most have written inscriptions on them. The certificates are from Engel's board certification. Materials are undated.
Contains correspondence between Engel and Pharmaceutical companies discussing medication and research. Also includes reports and receipts for medications. Materials range in date from 1947 to 1963.
Contains reprints of articles written by Engel, articles by other authors, clippings, and correspondence. Some of the articles are written in German and Russian. Materials range in date from 1934 to 1966.