REMOVE

1. Architecture -- 1900-2000
2. 1920

WHAT

1. Architecture -- Netherlan … (5)
2. Housing -- Netherlands -- … (5)
3. Memorials -- England -- S … (2)
4. Public sculpture -- Engla … (2)

WHERE

1. NETHERLANDS (5)
2. Rotterdam, Zuid Holland (5)
3. ENGLAND, UK (2)
4. Sheffield, South Yorkshir … (2)

WHO

1. OUD, Jacobus Johannes Pie … (5)
2. Frank TORY AND SONS (2)