REMOVE

1. Nitrate negatives
2. Group portraits
3. Photographs
4. Horseback riding.
5. between 1911 and 1942

WHAT

1. Group portraits (1)
2. Horseback riding. (1)
3. Nitrate negatives (1)
4. Portrait photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1911 (1)
3. 1942 (1)
4. between 1911 and 1942 (1)