REMOVE

1. windows
2. paths
3. men (male humans)
4. barriers
5. trees

WHAT

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

WHO

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

WHEN

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