REMOVE

1. windows
2. buildings (structures)
3. woods (plant communities)
4. barriers

WHAT

1. barns (1)
2. black-and-white film (1)
3. concrete block (1)
4. doors (1)
5. exterior views (1)
6. fields (land) (1)
7. lamps (lighting devices) (1)
8. men (male humans) (1)
9. paths (1)
10. sheds (storage structures … (1)
11. sky (1)
12. snow (precipitation) (1)
13. studios (work spaces) (1)
14. trees (1)
15. utility poles (1)
16. Visual Works (hierarchy n … (1)
17. winter (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)