REMOVE

1. Glass negatives
2. Genthe, Arnold
3. Library of Congress Prints a …
4. Genthe, Arnold
5. not before 1915 Dec

WHAT

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

WHO

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

WHEN

1. -2 (1)
2. 1869-1942 (1)
3. 2 (1)
4. not before 1915 Dec (1)