REMOVE

1. Nitrate negatives
2. negative
3. Fathers & children.
4. Photographs
5. Library of Congress Prints a …
6. 1930 May 24

WHAT

1. Fathers & children. (1)
2. Group portraits (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. 1930 (1)
3. 1930 May 24 (1)