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Genre
- Archival Materials732
- Letters (correspondence)638
- Articles35
- Pictorial Works23
- Notes16
- Excerpts12
- Laboratory notebooks12
- Postcards12
- Drafts (documents)8
- Reports6
- Portraits4
- Speeches4
- Bibliography2
- Book Illustrations2
- Diagrams2
- Instructional Films and Videos2
- Memorandums2
- Outlines (documents)2
- Photographs2
- Announcements1