| State Library of Massachusetts marked 1 as blank in Letter Book: Outgoing Hartwell Correspondence: 1865-1866 | Page Marked Blank | |
| State Library of Massachusetts transcribed 7 in Letter Book: Outgoing Hartwell Correspondence: 1865-1866 | Page Transcribed | |
| State Library of Massachusetts marked 6 as blank in Letter Book: Outgoing Hartwell Correspondence: 1865-1866 | Page Marked Blank | |
| State Library of Massachusetts added Letter Book: Outgoing Hartwell Correspondence: 1865-1866 in Letter Book: Outgoing Hartwell Correspondence: 1865-1866 | Work Added | |