Classification
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501 - Philosophy & theory
1
511 - General principles of mathematics
1
514 - Topology
1
515 - Analysis
1
551 - Geology, hydrology & meteorology
1
577 - Ecology
1
612 - Human physiology
1
616 - Diseases
1
620 - Engineering & allied operations
1
624 - Civil engineering
1
630 - Agriculture & related technologies
1
634 - Orchards, fruits & forestry
1
659 - Advertising & public relations
1
800 - Literature & rhetoric
1
809 - History, description & criticism
1
994 - Australia
1