79. 1888-1900 83 letters to Messrs Bentley, Bentley Archives, University of Illinois Library, reproduced on microfilm (item 125)
(Note: not 87 A.L.S. as numbered—L19 a copy of L20; L29, 31, 54 are second sheets of preceding Ls)
80.  1 letter to Messrs Bentley, Bentley Archives, British Library, reproduced on microfilm (item 125). This collection also includes agreements, copies of business letters to M.C. 1888-1896.
81. 1910 2 letters, one to Sir Edward Howard March, one to “Eva” (Lady Gregory), Berg Collection, New York Public Library