REMOVE

1. Dancers.
2. Portrait photographs
3. Nitrate negatives
4. negative
5. Library of Congress Prints a …
6. 1921 Feb. 9

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. 1921 (1)
3. 1921 Feb. 9 (1)