REMOVE

1. Acetate negatives
2. negative
3. Acetate negatives
4. Library of Congress Prints a …
5. 1934 Nov. or Dec
6. 1869-1942

WHAT

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

WHO

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

WHEN

1. -2 (1)
2. 1934 Nov. or Dec (1)
3. 2 (1)