REMOVE

1. Horses.
2. Nitrate negatives
3. Photographs
4. Genthe, Arnold
5. between 1932 and 1942

WHAT

1. Nitrate negatives (1)
2. Portrait photographs (1)
3. negative (1)

WHO

1. Genthe, Arnold (1)
2. Library of Congress Print … (1)

WHEN

1. 1869-1942 (1)
2. 1932 (1)
3. 1942 (1)
4. between 1932 and 1942 (1)