REMOVE

1. Nitrate negatives
2. negative
3. Group portraits
4. Photographs
5. Library of Congress Prints a …
6. 1921 Oct. 23

WHAT

1. Group portraits (1)
2. Mothers & children. (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. 1921 (1)
3. 1921 Oct. 23 (1)