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Subject (Genre)
- Periodicals11,342
- Congresses8,785
- Academic theses4,753
- Early works to 18004,359
- Internet videos3,429
- Science fiction3,278
- Biography3,118
- Bibliography2,948
- Fiction2,351
- Dictionaries2,291
- History2,289
- Electronic books2,050
- Conference papers and proceedings1,496
- Correspondence1,231
- Documentary films1,225
- Case studies1,172
- Handbooks, manuals, etc1,157
- Drama1,090
- Records (Documents)998
- Educational films967