REMOVE

1. houses
2. Castro Valley, CA
3. 1973
4. 1978

WHAT

1. exterior views (2)
2. farmers (2)
3. farming (2)
4. farms (2)
5. fields (land) (2)
6. graphite pencils (2)
7. horses (animals) (2)
8. ink (2)
9. landscapes (representatio … (2)
10. postcards (2)
11. silver gelatin (2)
12. sky (2)
13. threshing machines (2)

Less

WHERE

1. Bow Island, Alberta, Cana … (2)

WHEN

1. 1920 (2)
2. 1940 (2)
3. between 1920 to 1940 (2)