REMOVE

1. fields (land)
2. bushes
3. sky
4. lamps (lighting devices)

WHAT

1. barns (1)
2. benches (furniture) (1)
3. black-and-white film (1)
4. buildings (structures) (1)
5. clouds (1)
6. concrete block (1)
7. driveways (1)
8. exterior views (1)
9. farms (1)
10. forests (plant communitie … (1)
11. garages (1)
12. landscapes (representatio … (1)
13. plants (1)
14. trees (1)
15. utility poles (1)
16. Visual Works (hierarchy n … (1)
17. windows (1)
18. wood products (1)
19. yards (areas) (1)

WHO

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

WHEN

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