REMOVE

1. Nitrate negatives
2. Clubs.
3. Photographs
4. Portrait photographs
5. Library of Congress Prints a …
6. between 1896 and 1942

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1896 (1)
3. 1942 (1)
4. between 1896 and 1942 (1)