Harvard University, Houghton Library

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).

Harvard University, Houghton Library
Harvard Yard, Harvard University, Cambridge, MA 02138
http://hcl.harvard.edu/houghton/