REMOVE

1. Acetate negatives
2. Library of Congress Prints a …
3. not before 1919 Mar
4. 1919
5. 1921

WHAT

1. Acetate negatives (1)
2. Photographs (1)
3. Portrait photographs (1)
4. negative (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. not before 1919 Mar (1)