Letter, 20 September 1870
Letter, 12 and 13 October 1870
Letter, 20 and 24 November 1870
Letter, 1870
Letter, 1 October 1870
Letter, 1 October 1870
Letter, 4 August 1870
Letter, 8 August 1870
Letter, 10 September 1870
Letter, 30 September 1870
Letter, 14 October 1870