REMOVE

1. silver gelatin print
2. Photographs
3. Blue collar workers
4. 1900

WHAT

1. silver gelatin print (1)

WHERE

1. North American; American (1)

WHO

1. Blue collar workers (1)
2. Louisiana State Museum (1)
3. Teunisson, John N. (1)

WHEN

1. 1949 (1)
2. First half of the twentie … (1)