REMOVE

1. rooftops
2. trees
3. utility poles
4. 1966

WHAT

1. Visual Works (hierarchy n … (2)
2. black-and-white film (2)
3. exterior views (2)
4. houses (2)
5. lamps (lighting devices) (2)

More 

WHERE

1. New Windsor, Maryland (2)

WHO

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

WHEN

1. after 1966 (1)