Classification
620 - Engineering & allied operations
39
690 - Buildings
38
602 - Miscellany
35
697 - Heating, ventilating & air-conditioning
31
624 - Civil engineering
26
696 - Utilities
14
658 - General management
10
621 - Applied physics
6
670 - Manufacturing
3
000 - Computer science, information & general works
2
340 - Law
2
352 - General considerations of public administration
2
415 - Grammar
2
530 - Physics
2
005 - Computer programming, programs & data
1
193 - Philosophy of Germany & Austria
1
363 - Other social problems & services
1
378 - Higher education
1
390 - Customs, etiquette & folklore
1
401 - Philosophy & theory
1
514 - Topology
1
519 - Probabilities & applied mathematics
1
536 - Heat
1
600 - Technology
1
616 - Diseases
1
629 - Other branches of engineering
1
650 - Management & auxiliary services
1
660 - Chemical engineering
1
700 - The arts; fine & decorative arts
1
704 - Special topics in fine & decorative arts
1
800 - Literature & rhetoric
1
943 - Central Europe; Germany
1