REMOVE

1. clouds
2. art museums
3. 1920
4. 1951
5. after 1961

WHAT

1. banks (landforms) (1)
2. barns (1)
3. birds (animals) (1)
4. black-and-white film (1)
5. buildings (structures) (1)
6. doors (1)
7. exterior views (1)
8. farmhouses (1)
9. farms (1)
10. farmyards (1)
11. fences (1)
12. fields (land) (1)
13. forests (plant communitie … (1)
14. landscapes (representatio … (1)
15. plants (1)
16. porches (1)
17. roads (1)
18. sidewalks (1)
19. sky (1)
20. soil (1)
21. stairs (1)
22. trees (1)
23. utility poles (1)
24. Visual Works (hierarchy n … (1)
25. windows (1)
26. yards (areas) (1)

Less

WHO

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

WHEN

1. 1961 (1)