REMOVE

1. Horseback riding.
2. Group portraits
3. Library of Congress Prints a …
4. 1906
5. between 1906 and 1942

WHAT

1. Autochromes (2)
2. Group portraits (2)
3. Horseback riding. (2)
4. Photographs (2)
5. Portrait photographs (2)

WHO

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

WHEN

1. 1869-1942 (2)
2. 1942 (2)
3. between 1906 and 1942 (2)