REMOVE

1. farming
2. buildings (structures)
3. cows (animals)

WHAT

1. Visual Works (hierarchy n … (2)
2. artists (visual artists) (2)
3. bedrooms (2)
4. black-and-white film (2)
5. close-up views (2)

More 

WHERE

1. Westminster, Maryland (2)

WHO

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

WHEN

1. 1961 (2)
2. 1962 (2)
3. ca. 1961- 1962 (2)