REMOVE

1. Portrait photographs
2. Photographs
3. Autochromes
4. Library of Congress Prints a …
5. Genthe, Arnold
6. between 1906 and 1914

WHAT

1. Portrait photographs (1)
2. autochrome (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1906 (1)
3. 1914 (1)
4. between 1906 and 1914 (1)