REMOVE

1. Correspondence
2. 1867

WHAT

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

WHERE

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

WHO

1. Nightingale, Florence, 18 … (3)
2. Dunraven, Edwin Richard W … (1)

WHEN

1. 19th Century CE (4)