REMOVE

1. yards (areas)
2. buildings (structures)
3. group portraits
4. 1920

WHAT

1. Visual Works (hierarchy n … (1)
2. black-and-white film (1)
3. brick (clay product) (1)
4. exterior views (1)

More 

WHERE

1. Bow Island, Alberta, Cana … (1)

WHEN

1. 1915 (1)
2. between 1915 - 1920 (1)