REMOVE

1. Letters
2. Scotland: Edinburgh

WHAT

1. Correspondence (8)
2. Science--Great Britain (3)
3. Diaries (1)
4. Diaries--Authorship--Hist … (1)

WHERE

1. England: Greater Manchest … (3)
2. England: Greater London: … (1)
3. Scotland: Aberdeen (1)

WHO

1. Ruskin, John, 1819-1900 (4)
2. Dalton, John, 1766-1844 (3)
3. Johns, William, 1771-1845 (3)
4. Boswell, James, 1740-1795 (1)
5. Piozzi, Hester Lynch, 174 … (1)

WHEN

1. 19th Century CE (7)
2. c1865 (4)
3. 1807-04-19 (3)
4. 1644-1658 (1)
5. 1773-07-29 (1)