REMOVE

1. interior views
2. black-and-white film
3. printed ephemera
4. exhibit cases

WHAT

1. Visual Works (hierarchy n … (1)
2. exhibitions (events) (1)
3. galleries (display spaces … (1)

More 

WHERE

1. New York, New York (1)

WHO

1. Clyfford Still (1)
2. Still, Clyfford (1)

WHEN

1. 1947 (1)
2. realism (artistic form of … (1)