REMOVE

1. artists (visual artists)
2. men (male humans)
3. portraits
4. yards (open spaces)

WHAT

1. Visual Works (hierarchy n … (1)
2. barns (1)
3. black-and-white film (1)
4. coats (garments) (1)

More 

WHERE

1. Westminster, Maryland (1)

WHO

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

WHEN

1. 1963 (1)