REMOVE

1. plants
2. exterior views
3. railroads
4. buildings (structures)
5. Killam, Alberta, Canada
6. Still, Clyfford
7. Clyfford Still; Still, Clyff …
8. between 1920 - 1940

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. barriers (1)
4. benches (furniture) (1)
5. black-and-white film (1)

More 

WHERE

1. New York, New York (1)

WHO

1. Diane Still Knox; Diane K … (1)
2. Knox, Diane Still (1)

WHEN

1. 1958 (1)