Geology, Stratigraphic Silurian

1. Papers of Sir Roderick Impey Murchison (1771-1935)
2. Correspondence of Sir Roderick Impey Murchison (1827-1871)
3. Correpondence relating to Sir Roderick Impey Murchison's dispute with Adam Sedgwick about Silurian classification (1847-1857)
4. Notes for lectures on 'Geographical Evolution' (1860-1899)
5. Correspondence: John Strong Newberry to John Perry (1863-1900)
6. Geological Survey notebook 'U' (1875-1876)
7. Geological Survey notebook 'T' (1877)
8. Letter to Sir Archibald Geikie from Capt Clarence Edward Dutton (1883)
9. Lecture on the 'Volcanic History of Britain' (1886)
10. Geological Survey notebook 'O O' (1891)