REFINE

REMOVE

1. negatives (photographs)
2. black-and-white negatives
3. negatives (photographs)

WHAT

1. Portrait photography (959)
2. Universities and college … (50)
3. Unidentified sitter (40)

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WHERE

1. Colorado (758)
2. Boulder (699)
3. University of Colorado (59)
4. 1134 Pleasant St. (26)
5. 1165 12th St. (23)

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WHO

1. Snow, Charles F. (Char … (4652)
2. photographer (4652)

WHEN