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Genre
- Conference proceedings1,619
- Congresses1,023
- Textbooks659
- Identification615
- Laboratory manuals576
- Laboratory Manuals470
- Government document423
- Handbooks, manuals, etc.342
- Pictorial works277
- Problems, exercises, etc.263
- Classification198
- Popular works192
- Biography166
- Conference papers and proceedings147
- Dictionaries134
- Guidebooks119
- Periodicals107
- methods93
- Encyclopedias74
- Miscellanea74
