Includes photocopied correspondence and drawings, and newspaper clippings and miscellaneous papers related to the poet. Correspondents include notable authors, clergymen, publishers and educators such as Horace Greeley, Jared Sparks, John Murray, Samuel Goodrich, Eliphalet Nott, Caroline May, A.H. Everett, Virginia Howes, Rufus Choate and Leonard Woods. The papers include two sets of drawings, one titled, "Hints to Teachers," and the other, "Trials of a Neat Man." The newspaper clippings and miscellaneous papers include poems by Sigourney and brief biographical data. Arranged chronologically.