Longfellow, Henry Wadsworth (1807-1882). Letter to “My dear sir” agreeing to let his name be used for unspecified purpose. Dated April 23, 1886, Cambridge. Manuscript, ink on paper. 1 piece, folio leaf 18 x 12 cm (writing on 2 pages). With photocopies of seller Henry Sotheran’s folder and of an identifying inscription.