REMOVE

1. Glass negatives
2. negative
3. Library of Congress Prints a …
4. Genthe, Arnold
5. 1916
6. not before 1916 Mar. 15

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. 1869-1942 (1)
2. 1918 (1)
3. not before 1916 Mar. 15 (1)