REMOVE

1. forests (plant communities)
2. barns
3. roads
4. stairs

WHAT

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

WHO

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

WHEN

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