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Subject (Genre)
- Congresses21
- Dictionaries15
- Classification7
- Handbooks, manuals, etc7
- Terminology6
- Bibliography5
- Early works to 18002
- Laboratory manuals2
- Biography1
- Conference papers and proceedings1
- Electronic books1
- Encyclopedias1
- Handbooks and manuals1
- History1
- Identification1
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- Juvenile literature1
- Lectures1
- Lehrbuch1
- Problems, exercises, etc1