Classification
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650 - Management & auxiliary services
36
629 - Other branches of engineering
32
332 - Financial economics
29
384 - Communications; telecommunication
29
153 - Mental processes & intelligence
28
770 - Photography, photographs & computer art
27
519 - Probabilities & applied mathematics
26
617 - Surgery & related medical specialties
26
303 - Social processes
25
615 - Pharmacology & therapeutics
23
670 - Manufacturing
23
362 - Social welfare problems & services
22
657 - Accounting
22
158 - Applied psychology
21
374 - Adult education
21
510 - Mathematics
21
570 - Life sciences; biology
21
381 - Commerce
20
378 - Higher education
19
327 - International relations
18
296 - Judaism
17
745 - Decorative arts
17
809 - History, description & criticism
17
003 - Systems
16
360 - Social problems & services; associations
16
414 - Phonology & phonetics
16
520 - Astronomy & allied sciences
16
001 - Knowledge
14
590 - Animals (Zoology)
13
150 - Psychology
12
342 - Constitutional & administrative law
12
515 - Analysis
12
628 - Sanitary & municipal engineering
12
160 - Logic
11
307 - Communities
11
982 - Argentina
11
371 - Schools & their activities; special education
10
398 - Folklore
10
709 - Historical, geographic & persons treatment
10
792 - Stage presentations
10
430 - Germanic languages; German
9
550 - Earth sciences
9
618 - Gynecology, obstetrics, pediatrics & geriatrics
9
660 - Chemical engineering
9
070 - News media, journalism & publishing
8
343 - Military, tax, trade & industrial law
8
571 - Physiology & related subjects
8
577 - Ecology
8
690 - Buildings
8
794 - Indoor games of skill
8
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