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Subject (Genre)
- Early works to 180086
- Statistics45
- Tables12
- Early works to 19008
- Periodicals8
- Cross-cultural studies6
- Bibliography5
- Dictionaries5
- Problems, exercises, etc4
- Catalogs3
- Congresses3
- Formulae3
- Longitudinal studies3
- Abstracts1
- Charts, diagrams, etc1
- Conference papers and proceedings1
- Directories1
- Handbooks, manuals, etc1
- History1
- Standards1