REMOVE

1. Portrait photographs
2. Group portraits
3. Genthe, Arnold
4. Library of Congress Prints a …
5. between 1927 and 1937

WHAT

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

WHO

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

WHEN

1. 1869-1942 (2)
2. 1927 (2)
3. 1937 (2)
4. between 1927 and 1937 (2)