Correspondence and papers concerning STC 12786 from which they were removed. Includes an 1870 receipt by Stevens for leaves received from John Langdon Sibley; presumably the front fly-leaf with manuscript notes including date of receipt of the volume (1845); and negative photostatic copies of letters from Sibley and Winsor to Stevens.

Letters from the American biographer John Langdon Sibley to the American physician Levi Bartlett.