Classification
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720 - Architecture
2
809 - History, description & criticism
2
840 - Literatures of Romance languages
2
910 - Geography & travel
2
920 - Biography, genealogy & insignia
2
995 - Melanesia; New Guinea
2
000 - Computer science, information & general works
1
050 - General serial publications
1
150 - Psychology
1
158 - Applied psychology
1
174 - Occupational ethics
1
195 - Philosophy of Italy
1
200 - Religion
1
302 - Social interaction
1
323 - Civil & political rights
1
328 - The legislative process
1
338 - Production
1
339 - Macroeconomics & related topics
1
343 - Military, tax, trade & industrial law
1
347 - Civil procedure & courts
1
362 - Social welfare problems & services
1
374 - Adult education
1
375 - Curricula
1
378 - Higher education
1
381 - Commerce
1
390 - Customs, etiquette & folklore
1
440 - Romance languages; French
1
495 - Languages of East & Southeast Asia
1
511 - General principles of mathematics
1
518 - Numerical analysis
1
520 - Astronomy & allied sciences
1
523 - Specific celestial bodies & phenomena
1
570 - Life sciences; biology
1
581 - Specific topics in natural history
1
599 - Mammals
1
611 - Human anatomy, cytology & histology
1
614 - Incidence & prevention of disease
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
629 - Other branches of engineering
1
630 - Agriculture & related technologies
1
631 - Techniques, equipment & materials
1
634 - Orchards, fruits & forestry
1
636 - Animal husbandry
1
641 - Food & drink
1
650 - Management & auxiliary services
1
691 - Building materials
1
711 - Area planning
1
770 - Photography, photographs & computer art
1
792 - Stage presentations
1
796 - Athletic & outdoor sports & games
1
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