Geology notebook, volume I, 1870-1871
Notes on Applied Mechanics lectures, 1872
Notebooks of chemical lectures, 1869-1870
Lecture and laboratory notebooks, 1869-1870
Notebooks, 1869-1870
Sepias and watercolours
Letter, 5 July 1899
Letter, 1 August 1884
Letter, 25 November 1894
Letter, 6 December 1894