REMOVE

1. negative
2. Nitrate negatives
3. Portrait photographs
4. Genthe, Arnold
5. Library of Congress Prints a …
6. between 1923 and 1925

WHAT

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

WHO

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

WHEN

1. 1869-1942 (2)
2. 1923 (2)
3. 1925 (2)
4. between 1923 and 1925 (2)