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Subject (Genre)
- Handbooks, manuals, etc54
- Case studies30
- Bibliography21
- Electronic books16
- Congresses9
- Problems, exercises, etc6
- Textbooks4
- Textbooks for foreign speakers4
- Classification3
- History3
- Collected Works2
- Early works to 18002
- Handbooks and manuals2
- Sources2
- Use studies2
- Archives1
- Biography1
- Case Report1
- Catalogs1
- Conference proceedings1