REMOVE

1. Portrait photographs
2. negative
3. Library of Congress Prints a …
4. between 1926 and 1932

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. 1926 (1)
3. 1932 (1)
4. between 1926 and 1932 (1)