Classification
000 - Computer science, information & general works
2
414 - Phonology & phonetics
580 - Plants (Botany)
2
600 - Technology
620 - Engineering & allied operations
630 - Agriculture & related technologies
700 - The arts; fine & decorative arts
2
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
720 - Architecture
1