REMOVE

1. farms
2. farmhouses
3. woods (plant communities)
4. rubbish
5. Westminster, Maryland

WHAT

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

More 

WHEN

1. 1961 (1)
2. after 1961 (1)