Classification
690 - Buildings
247
624 - Civil engineering
232
658 - General management
61
343 - Military, tax, trade & industrial law
19
620 - Engineering & allied operations
19
691 - Building materials
14
352 - General considerations of public administration
12
333 - Economics of land & energy
11
629 - Other branches of engineering
11
720 - Architecture
10
621 - Applied physics
8
696 - Utilities
8
363 - Other social problems & services
7
670 - Manufacturing
7
650 - Management & auxiliary services
6
005 - Computer programming, programs & data
5
304 - Factors affecting social behavior
4
346 - Private law
4
551 - Geology, hydrology & meteorology
4
338 - Production
3
628 - Sanitary & municipal engineering
3
693 - Specific materials & purposes
3
697 - Heating, ventilating & air-conditioning
3
004 - Data processing & computer science
2
330 - Economics
2
340 - Law
2
342 - Constitutional & administrative law
2
519 - Probabilities & applied mathematics
2
536 - Heat
2
613 - Personal health & safety
2
725 - Public structures
2
000 - Computer science, information & general works
1
306 - Culture & institutions
1
307 - Communities
1
331 - Labor economics
1
351 - Public administration
1
370 - Education
1
531 - Classical mechanics; solid mechanics
1
534 - Sound & related vibrations
1
540 - Chemistry & allied sciences
1
627 - Hydraulic engineering
1
745 - Decorative arts
1