REMOVE

1. woodwork
2. houses
3. blood
4. abstraction
5. soil
6. 1969

WHAT

1. banks (landforms) (1)
2. barns (1)
3. birds (animals) (1)
4. black-and-white film (1)
5. buildings (structures) (1)
6. driveways (1)
7. farmhouses (1)
8. farms (1)
9. farmyards (1)
10. fences (1)
11. fields (land) (1)
12. forests (plant communitie … (1)
13. landscapes (representatio … (1)
14. plants (1)
15. roads (1)
16. sky (1)
17. trees (1)
18. Visual Works (hierarchy n … (1)

Less

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

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