Letter, 10 February 1916
Letter, 21 January 1916
Letter, 9 July 1916
Letter, 9 July 1916
Letter, 19 October 1915
Letter, 19 October 1915
Letter, 15 November 1915
Letter, 9 February 1915
Leter, 13 February 1915
Letter, 7 March 1915
Letter, 21 October 1915
Letter, 5 March 1915