REMOVE

1. Acetate negatives
2. Group portraits
3. Portrait photographs
4. Library of Congress Prints a …
5. between 1896 and 1942

WHAT

1. Acetate negatives (1)
2. Group portraits (1)
3. Photographs (1)
4. Portrait photographs (1)
5. negative (1)

WHO

1. Library of Congress Print … (1)
2. Unknown (1)

WHEN

1. 1896 (1)
2. 1942 (1)
3. between 1896 and 1942 (1)