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Genre
- Archival Materials2,559
- Letters (correspondence)1,740
- Photographic prints213
- Articles168
- Excerpts158
- Laboratory notebooks100
- Transcripts73
- Reports50
- Speeches44
- Postcards41
- Portraits32
- Laboratory notes31
- Memorandums30
- Notes30
- Drafts (documents)28
- Diaries20
- Official reports20
- Awards11
- Certificates11
- Minutes (administrative records)9