REMOVE

1. Glass negatives
2. negative
3. Portrait photographs
4. Library of Congress Prints a …
5. between 1916 and 1929
6. 1869-1942

WHAT

1. Glass negatives (1)
2. Photographs (1)
3. Portrait photographs (1)

WHO

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

WHEN

1. 1916 (1)
2. 1929 (1)
3. between 1916 and 1929 (1)