REMOVE

1. Nitrate negatives
2. Group portraits
3. Photographs
4. Horseback riding.
5. between 1911 and 1942
6. 1869-1942

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. 1911 (1)
2. 1942 (1)
3. between 1911 and 1942 (1)