REMOVE

1. Nitrate negatives
2. negative
3. Charitable organizations.
4. School children.
5. Library of Congress Prints a …

WHAT

1. Charitable organizations. (1)
2. Nitrate negatives (1)
3. Photographs (1)
4. School children. (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1934 (1)
3. 1934 Sept. 17 (1)