REMOVE

1. negative
2. Sculpture.
3. Nitrate negatives
4. Portrait photographs
5. Library of Congress Prints a …
6. 1915

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1917 (1)
3. between 1915 and 1917 (1)