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Subject (Genre)
- Electronic books27
- History26
- Early works to 180016
- Periodicals12
- Biography7
- Sources5
- Case studies4
- Constitutional amendments4
- Nonfiction films4
- Documentary films3
- Legislative hearings3
- Computer network resources2
- Databases2
- Documentary television programs2
- Feature films2
- Records and correspondence2
- Web sites2
- Academic theses1
- Archives1
- Biographical films1