Classification
590 - Animals (Zoology)
361 - Social problems & social welfare in general
2
581 - Specific topics in natural history
2
610 - Medicine & health
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
301 - Sociology & anthropology
1
330 - Economics
1
340 - Law
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
612 - Human physiology
1