REMOVE

1. Photographs
2. Glass negatives
3. Theatrical productions.
4. Portrait photographs
5. Library of Congress Prints a …

WHAT

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

WHO

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

WHEN

1. 1869-1942 (1)
2. 1910 (1)
3. 1925 (1)
4. between 1910 and 1925 (1)