REMOVE

1. trees
2. sky
3. clouds
4. 1968
5. 1966
6. 1977

WHAT

1. Visual Works (hierarchy n … (1)
2. barns (1)
3. black-and-white film (1)
4. doors (1)
5. exterior views (1)

More 

WHERE

1. Westminster, Maryland (1)

WHO

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

WHEN

1. 1965 (1)
2. 1965 January (1)