Classification
621 - Applied physics
447
600 - Technology
357
004 - Data processing & computer science
176
006 - Special computer methods
94
620 - Engineering & allied operations
69
005 - Computer programming, programs & data
54
745 - Decorative arts
37
670 - Manufacturing
18
003 - Systems
16
500 - Natural sciences & mathematics
15
519 - Probabilities & applied mathematics
12
518 - Numerical analysis
9
658 - General management
8
511 - General principles of mathematics
7
331 - Labor economics
5
530 - Physics
5
534 - Sound & related vibrations
5
001 - Knowledge
4
333 - Economics of land & energy
4
510 - Mathematics
4
515 - Analysis
4
300 - Social sciences
3
537 - Electricity & electronics
3
541 - Physical chemistry
3
025 - Library operations
2
338 - Production
2
370 - Education
2
384 - Communications; telecommunication
2
512 - Algebra
2
539 - Modern physics
2
610 - Medicine & health
2
629 - Other branches of engineering
2
660 - Chemical engineering
2
000 - Computer science, information & general works
1
380 - Commerce, communications & transportation
1
400 - Language
1
523 - Specific celestial bodies & phenomena
1
535 - Light & infrared & ultraviolet phenomena
1
570 - Life sciences; biology
1
580 - Plants (Botany)
1
612 - Human physiology
1
616 - Diseases
1
661 - Industrial chemicals
1
690 - Buildings
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1