REMOVE

1. Roofs
2. ENGLAND, UK
3. 1961

WHAT

1. Architecture -- 1900-2000 (2)
2. Architecture -- England ( … (2)
3. Buildings -- Change of us … (2)
4. Buildings -- Preservation (2)

WHERE

1. Retford, Nottinghamshire (2)
2. Sheffield, South Yorkshir … (1)

WHO

1. CLARKE-HALL SCORER & BRIG … (2)
2. HAJNAL-KÓNYI, Koloman (2)
3. SCORER, Sam (2)
4. GOLLINS, MELVIN, WARD & P … (1)