REMOVE

1. negative
2. Nitrate negatives
3. Monasteries.
4. Photographs
5. Catholic churches.
6. Library of Congress Prints a …

WHAT

1. Catholic churches. (1)
2. Cities & towns. (1)
3. Nitrate negatives (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1899 (1)
3. 1926 (1)
4. between 1899 and 1926 (1)