Classification
prev ...
351 - Public administration
4
352 - General considerations of public administration
1
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
16
362 - Social welfare problems & services
8
363 - Other social problems & services
45
364 - Criminology
6
368 - Insurance
2
370 - Education
103
371 - Schools & their activities; special education
19
372 - Elementary education
2
374 - Adult education
2
378 - Higher education
6
379 - Public policy issues in education
3
380 - Commerce, communications & transportation
48
381 - Commerce
73
382 - International commerce
2
384 - Communications; telecommunication
22
388 - Transportation; ground transportation
3
400 - Language
2
418 - Standard usage & applied linguistics
2
428 - Standard English usage
1
500 - Natural sciences & mathematics
94
502 - Miscellany
5
507 - Education, research & related topics
1
509 - Historical, geographic & persons treatment
1
510 - Mathematics
2
511 - General principles of mathematics
1
515 - Analysis
3
518 - Numerical analysis
1
519 - Probabilities & applied mathematics
4
520 - Astronomy & allied sciences
1
530 - Physics
2
537 - Electricity & electronics
2
540 - Chemistry & allied sciences
8
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
9
570 - Life sciences; biology
5
571 - Physiology & related subjects
1
576 - Genetics & evolution
4
577 - Ecology
1
579 - Microorganisms, fungi & algae
1
580 - Plants (Botany)
2
581 - Specific topics in natural history
5
600 - Technology
101
601 - Philosophy & theory
2
607 - Education, research & related topics
2
610 - Medicine & health
68
612 - Human physiology
1
613 - Personal health & safety
6
more ...