[Letter of 1863 August 25]
[Letter of 1865 July 27]
[Letter of 1866 April 30]
[Letter of 1866 August 15]
[Letter of 1866 December 17]
[Letter of 1866 January 1]
[Letter of 1866 January 16]
[Letter of 1866 July 24]
[Letter of 1866 July 26]
[Letter of 1866 June 1]
[Letter of 1866 June 16]
[Letter of 1866 June 23]