REMOVE

1. Group portraits
2. Photographs
3. Library of Congress Prints a …
4. 1938
5. 1869-1942
6. between 1904 and 1938

WHAT

1. Group portraits (1)
2. Nitrate negatives (1)
3. Portrait photographs (1)
4. negative (1)

WHO

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

WHEN

1. 1904 (1)
2. between 1904 and 1938 (1)