File consists of material Virginia Roderick used or accumulated in preparing her biography of Nettie F. McCormick. Includes a carbon copy of the biography, a list of sources, correspondence commenting about the biography in its preparatory stages, typescript copies of Nettie F. McCormick letters to family and friends, correspondence and data regarding James Shields' loan, working papers (chapter outlines and notes), newspaper clippings and corrected drafts. The material is arranged under three headings, “Comment,” “Outlines,” and “Sources,” and alphabetically by subject within each heading.

The file also includes 3 oversize file boxes (6 drawers) and 2 card file boxes of notes written by Virginia Roderick. The notes are on half sheets of typing paper and arranged alphabetically by subject. Finally, there are 2 card file boxes of notes. The first contains references to the writings of Nettie F. McCormick found in the letters of others and is arranged chronologically by years, from 1826 to 1923 (and undated). The second contains notes and references to letters in the Cyrus H. McCormick Papers. These notes are arranged alphabetically by subject.

None of the material is catalogued.