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Subject (Genre)
- Internet videos116
- Educational films67
- Documentary films59
- Science films23
- Documentary television programs22
- Science television programs13
- Nonfiction films6
- Nonfiction television programs6
- Short films6
- Children's films4
- Pictorial works4
- Alexander Street Video3
- Juvenile works3
- Maps3
- Video recordings for the hearing impaired3
- Accordion fold format (Binding)2
- Caricatures2
- Drawings (visual works)2
- Humor2
- Nature films2