Letter, 12 April 1872
Letter, 1 July 1872
Letter, 19 July 1872
Letter, 23 September 1872
Letter, 6 November 1872
Letter, 9 December 1872
Letter, 9 December 1872
Letter, 10 June 1873
Letter, 29 September 1873
Letter, 6 November 1873
Letter, 30 October 1873