Classification
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346 - Private law
3
371 - Schools & their activities; special education
3
374 - Adult education
3
395 - Etiquette (Manners)
3
519 - Probabilities & applied mathematics
3
602 - Miscellany
3
651 - Office services
3
305 - Social groups
2
352 - General considerations of public administration
2
364 - Criminology
2
368 - Insurance
2
530 - Physics
2
621 - Applied physics
2
639 - Hunting, fishing & conservation
2
720 - Architecture
2
740 - Drawing & decorative arts
2
741 - Drawing & drawings
2
900 - History & geography
2
016 - Bibliographies of works on specific subjects
1
100 - Philosophy & psychology
1
179 - Other ethical norms
1
200 - Religion
1
253 - Pastoral office & work
1
294 - Religions of Indic origin
1
334 - Cooperatives
1
336 - Public finance
1
362 - Social welfare problems & services
1
370 - Education
1
372 - Elementary education
1
388 - Transportation; ground transportation
1
390 - Customs, etiquette & folklore
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
616 - Diseases
1
629 - Other branches of engineering
1
641 - Food & drink
1
646 - Sewing, clothing & personal living
1
648 - Housekeeping
1
744 - [Unassigned]
1
781 - General principles & musical forms
1
782 - Vocal music
1
790 - Recreational & performing arts
1
796 - Athletic & outdoor sports & games
1
811 - American poetry in English
1
813 - American fiction in English
1