REMOVE

1. Portrait photographs
2. Photographs
3. Acetate negatives
4. Opera singers.
5. Library of Congress Prints a …
6. Genthe, Arnold

WHAT

1. Acetate negatives (1)
2. Opera singers. (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. 1932 (1)
3. 1932 Apr. 6 (1)