Classification
547 - Organic chemistry
4
629 - Other branches of engineering
3
511 - General principles of mathematics
2
515 - Analysis
2
519 - Probabilities & applied mathematics
2
616 - Diseases
2
001 - Knowledge
1
003 - Systems
1
300 - Social sciences
1
341 - Law of nations
1
510 - Mathematics
1
520 - Astronomy & allied sciences
1
541 - Physical chemistry
1
551 - Geology, hydrology & meteorology
1
577 - Ecology
1
599 - Mammals
1
611 - Human anatomy, cytology & histology
1
620 - Engineering & allied operations
1
632 - Plant injuries, diseases & pests
1
634 - Orchards, fruits & forestry
1
690 - Buildings
1
745 - Decorative arts
1