REMOVE

1. Jacques%2C Maurice
2. Boucher%2C Fran%C3%A7ois …
3. Alken%2C Sefferin
4. Adam%2C Robert
5. flourished 1757-1769
6. ca. 1712-1784
7. 1713-1780

WHAT

1. National parks & reserves … (1)
2. Nitrate negatives (1)
3. Photographs (1)
4. Sleds & sleighs. (1)
5. Snow. (1)

WHO

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

WHEN

1. 1869-1942 (1)
2. 1903 (1)
3. 1906 (1)
4. between 1903 and 1906 (1)