REMOVE

1. negative
2. City & town life.
3. Nitrate negatives
4. Portrait photographs
5. Library of Congress Prints a …
6. 1896

WHAT

1. City & town life. (1)
2. Laborers. (1)
3. Nitrate negatives (1)
4. Photographs (1)
5. Portrait photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1906 (1)
3. between 1896 and 1906 (1)