REMOVE

1. Correspondence
2. 1867

WHAT

1. Architecture (3)
2. Hospitals (3)
3. Letters (1)

WHERE

1. England: London (3)
2. England: Greater London: … (1)
3. Wales: Dunraven (1)

WHO

1. Nightingale, Florence, 18 … (3)
2. Dunraven, Edwin Richard W … (1)
3. Helps, Arthur, Sir, 1813- … (1)
4. Ruskin, John, 1819-1900 (1)

WHEN

1. 19th Century CE (4)