REMOVE

1. North American; American
2. Racetracks (Horse racing) …
3. First half of the twentieth …

WHAT

1. Photographs (1)
2. silver gelatin print (1)

WHERE

1. New Orleans (La.) (1)
2. North American; American (1)

WHO

1. Louisiana State Museum (1)
2. Racetracks (Horse racing) (1)
3. Teunisson, John N. (1)

WHEN

1. 1900 (1)
2. 1949 (1)
3. First half of the twentie … (1)