REMOVE

1. buildings (structures)
2. barns
3. clouds
4. garages
5. benches (furniture)

WHAT

1. black-and-white film (1)
2. bushes (1)
3. concrete block (1)
4. driveways (1)
5. exterior views (1)
6. farms (1)
7. fields (land) (1)
8. forests (plant communitie … (1)
9. lamps (lighting devices) (1)
10. landscapes (representatio … (1)
11. plants (1)
12. sky (1)
13. trees (1)
14. utility poles (1)
15. Visual Works (hierarchy n … (1)
16. windows (1)
17. wood products (1)
18. yards (areas) (1)

WHO

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

WHEN

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