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Subject (Genre)
- Congresses92
- History58
- Biography29
- Case studies18
- Interviews16
- Sources14
- Pictorial works11
- Bibliography10
- Periodicals7
- Chronology4
- Dictionaries4
- Conference papers and proceedings3
- Documentary films3
- Chinese language materials2
- Correspondence2
- Directories2
- Nonfiction films2
- Video recordings for the hearing impaired2
- Anecdotes1
- Annotations (Provenance)1