REMOVE

1. Boucher%2C Fran%C3%A7ois …
2. Soufflot%2C Jean-Germain
3. Ince%2C William
4. Alken%2C Sefferin
5. 1703-1770
6. 1722-1803

WHAT

1. Horse shows. (1)
2. Nitrate negatives (1)
3. Photographs (1)
4. Show jumping. (1)
5. negative (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1933 (1)
3. 1942 (1)
4. between 1933 and 1942 (1)