REMOVE

1. barriers
2. doors
3. sky
4. utility poles

WHAT

1. barns (1)
2. black-and-white film (1)
3. buildings (structures) (1)
4. concrete block (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. snow (precipitation) (1)
12. studios (work spaces) (1)
13. trees (1)
14. Visual Works (hierarchy n … (1)
15. windows (1)
16. winter (1)
17. woods (plant communities) (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)