Classification
547 - Organic chemistry
191
620 - Engineering & allied operations
26
541 - Physical chemistry
23
546 - Inorganic chemistry
19
540 - Chemistry & allied sciences
9
333 - Economics of land & energy
3
543 - Analytical chemistry
3
610 - Medicine & health
3
363 - Other social problems & services
2
530 - Physics
2
572 - Biochemistry
2
580 - Plants (Botany)
2
621 - Applied physics
2
000 - Computer science, information & general works
1
330 - Economics
1
549 - Mineralogy
1
550 - Earth sciences
1
574 - [Unassigned]
1
600 - Technology
1
612 - Human physiology
1
660 - Chemical engineering
1
668 - Technology of other organic products
1
700 - The arts; fine & decorative arts
1