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Subject (Genre)
- Congresses17
- Periodicals10
- Statistics9
- Electronic books6
- Documentary films3
- Handbooks, manuals, etc3
- History3
- Bibliography2
- Case studies2
- Nonfiction films2
- Biographies1
- Biography1
- Environmental films1
- Estadísticas1
- Ethnographic films1
- Feature films1
- Internet videos1
- Miscellanea1
- Public service announcements (Motion pictures)1
- Publicaciones periódicas1