REMOVE

1. Acetate negatives
2. Portrait photographs
3. Library of Congress Prints a …
4. Genthe, Arnold
5. 1869-1942
6. between 1921 and 1937

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. 1921 (1)
2. 1937 (1)
3. between 1921 and 1937 (1)