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Work Type
- aerial photographs 270
- bar graphs 1
- charts (graphic documents) 21
- color photographs 8972
- color slides 8580
- diagrams 1
- flow charts 1
- lantern slides 1
- maps (documents) 5
- natural history specimens 6
- negatives (photographs) 2
- photographic prints 43
- photographs 8684
- slides (photographs) 167
- space photographs 10
- transparencies 119