REMOVE

1. farms
2. workers
3. children
4. blue

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. barns (1)
4. black-and-white film (1)
5. dresses (garments) (1)

More 

WHERE

1. Killam, Alberta, Canada (1)

WHEN

1. 1930 (1)
2. 1935 (1)
3. between 1930 - 1935 (1)