75 letters and 10 literary mss.: letters to Colvin from the South Seas, letters to Henry James; manuscripts (Memoirs of himself, ‘Markheim’, final version of Catriona); corrected galley proofs of ‘Confessions of a Unionist’.
Rosenbach, A. S. W. (1913). A Catalogue of the Books and Manuscripts of Robert Louis Stevenson in the Library of the Late Harry Elkins Widener. Philadelphia: (privately printed).