REMOVE

1. Photographs
2. Group portraits
3. Horseback riding.
4. between 1906 and 1942
5. 1869-1942

WHAT

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

WHO

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

WHEN

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