Correspondence, 1750-1864
Correspondence, 1865-1869
Correspondence, 1870-1873 June
Correspondence, 1873 July-1877 February
Correspondence, 1877 March-1879 August
Correspondence, 1879 September-1881 June
Correspondence, 1881 July-1882 May
Correspondence, 1882 June-1883 July
Correspondence, 1883 August-1885
Correspondence, 1886-1890 January
Correspondence, 1890 February-1893 March