REMOVE

1. windows
2. fields (land)
3. barns
4. lamps (lighting devices)

WHAT

1. barriers (1)
2. benches (furniture) (1)
3. black-and-white film (2)
4. buildings (structures) (2)
5. bushes (1)
6. clouds (1)
7. concrete block (2)
8. doors (1)
9. driveways (1)
10. exterior views (2)
11. farms (1)
12. forests (plant communitie … (1)
13. garages (1)
14. landscapes (representatio … (1)
15. men (male humans) (1)
16. paths (1)
17. plants (1)
18. sheds (storage structures … (1)
19. sky (2)
20. snow (precipitation) (1)
21. studios (work spaces) (1)
22. trees (2)
23. utility poles (2)
24. Visual Works (hierarchy n … (2)
25. winter (1)
26. wood products (1)
27. woods (plant communities) (1)
28. yards (areas) (2)

WHO

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

WHEN

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