REMOVE

1. tools
2. sky
3. trees
4. bushes
5. soil
6. black-and-white film

WHAT

1. barns (1)
2. buildings (structures) (1)
3. clouds (1)
4. exterior views (1)
5. farmhouses (1)
6. farms (1)
7. fields (land) (1)
8. forests (plant communitie … (1)
9. groves (plant communities … (1)
10. hills (1)
11. landscapes (representatio … (1)
12. plants (1)
13. sheds (storage structures … (1)
14. Visual Works (hierarchy n … (1)

WHO

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

WHEN

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