Letter, 30 January and 2 February 1870
Letter, 6 and 10 February 1870
Letter, 13 February 1870
Letter, 27 February 1870
Letter, 6 March 1870
Letter, 13 March 1870
Letter, 20 and 23 March 1870
Letter, 15 June 1870
Letter, 19 June 1870
Letter, 22 June 1870