REMOVE

1. Nitrate negatives
2. negative
3. Genthe, Arnold
4. between 1914 and 1924

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1914 (1)
3. 1924 (1)
4. between 1914 and 1924 (1)