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Genre
- Posters105
- Charts (graphic documents)89
- Lectures78
- Electronic mail77
- Telegrams77
- Personal Narrative76
- Histories (literature genre)75
- Documentaries and Factual Films74
- Interview71
- Lecture notes71
- Indexes (reference sources)65
- Programs (documents)64
- Laboratory notes60
- Video recordings58
- Guidelines57
- Essays53
- Conferences46
- Exhibition45
- Announcements44
- Abstracts (summaries)42