REMOVE

1. Nitrate negatives
2. Genthe, Arnold
3. Library of Congress Prints a …
4. between 1918 and 1920

WHAT

1. Nitrate negatives (51)
2. Photographs (51)
3. negative (51)
4. Dancers. (50)
5. Portrait photographs (1)

WHO

1. Genthe, Arnold (51)
2. Library of Congress Prin … (51)

WHEN

1. 1869-1942 (51)
2. 1918 (51)
3. 1920 (51)
4. between 1918 and 1920 (51)