[Letter of 1865 July 27]
[Letter of 1866 January 1]
[Letter of 1866 January 16]
[Letter of 1866 July 24]
[Letter of 1866 June 1]
[Letter of 1866 June 16]
[Letter of 1866 June 23]
[Letter of 1867 November 19]
[Letter of 1868 March 23]
[Letter of 1868 March 5]
[Letter of 1868 May 1]
[Letter of 1869 November 27]