REMOVE

1. negative
2. Portrait photographs
3. Library of Congress Prints a …
4. Genthe, Arnold
5. 1931
6. between 1931 and 1934

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1934 (1)
3. between 1931 and 1934 (1)