REMOVE

1. Nitrate negatives
2. Photographs
3. Portrait photographs
4. Library of Congress Prints a …
5. 1911
6. between 1911 and 1935

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1935 (1)
3. between 1911 and 1935 (1)