REMOVE

1. farming
2. hands
3. red
4. figures
5. blue
6. workers

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. automobiles (1)
4. black-and-white film (1)
5. buildings (structures) (1)

More 

WHO

1. Garske, Patricia; Patrici … (1)
2. Still, Patricia (1)

WHEN

1. 1967 (1)