REMOVE

1. red
2. replicas
3. green
4. black

WHAT

1. Visual Works (hierarchy n … (1)
2. bridges (built works) (1)
3. cityscapes (representatio … (1)
4. clouds (1)
5. color film (film) (1)

More 

WHERE

1. 1445 Old Westminster Road … (1)
2. Middle Atlantic States (1)

WHO

1. Still, Patricia (1)

WHEN

1. 1964 (1)
2. 1965 (1)
3. circa 1965 January (1)