REMOVE

1. machinery
2. sky
3. trees
4. plants
5. doors
6. rivers

WHAT

1. artists (visual artists) (1)
2. barns (1)
3. benches (furniture) (1)
4. black-and-white film (1)
5. buildings (structures) (1)
6. bushes (1)
7. clouds (1)
8. columns (architectural el … (1)
9. daughters (1)
10. exterior views (1)
11. farmhouses (1)
12. fields (land) (1)
13. fronts (architectural) (1)
14. hills (1)
15. houses (1)
16. landscapes (representatio … (1)
17. men (male humans) (1)
18. porches (1)
19. roads (1)
20. shadows (1)
21. sheds (storage structures … (1)
22. silhouettes (1)
23. studios (work spaces) (1)
24. utility poles (1)
25. Visual Works (hierarchy n … (1)
26. wells (structures) (1)
27. women (1)
28. woods (plant communities) (1)
29. yards (areas) (1)

WHO

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

WHEN

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