REMOVE

1. Photographs
2. Autochromes
3. autochrome
4. Portrait photographs
5. Library of Congress Prints a …
6. between 1913 and 1915

WHAT

1. Dancers. (1)
2. Portrait photographs (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1913 (1)
3. 1915 (1)
4. between 1913 and 1915 (1)