REMOVE

1. negative
2. Glass negatives
3. Library of Congress Prints a …
4. Genthe, Arnold
5. Library of Congress Prints a …
6. between 1918 and 1922

WHAT

1. Dancers. (1)
2. Glass negatives (1)
3. Photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1918 (1)
3. 1922 (1)
4. between 1918 and 1922 (1)