Classification
580 - Plants (Botany)
610 - Medicine & health
700 - The arts; fine & decorative arts
226
000 - Computer science, information & general works
176
333 - Economics of land & energy
124
600 - Technology
119
620 - Engineering & allied operations
99
363 - Other social problems & services
90
140 - Specific philosophical schools
89
630 - Agriculture & related technologies
81
380 - Commerce, communications & transportation
54
330 - Economics
51
540 - Chemistry & allied sciences
50
900 - History & geography
45
581 - Specific topics in natural history
44
615 - Pharmacology & therapeutics
34
576 - Genetics & evolution
31
414 - Phonology & phonetics
29
551 - Geology, hydrology & meteorology
29
612 - Human physiology
25
500 - Natural sciences & mathematics
20
304 - Factors affecting social behavior
17
370 - Education
17
800 - Literature & rhetoric
17
658 - General management
15
170 - Ethics
14
720 - Architecture
12
340 - Law
11
320 - Political science
8
100 - Philosophy & psychology
7
300 - Social sciences
7
400 - Language
6
361 - Social problems & social welfare in general
4
530 - Physics
4
520 - Astronomy & allied sciences
3
590 - Animals (Zoology)
2
780 - Music
2
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
398 - Folklore
1
410 - Linguistics
1
657 - Accounting
1
770 - Photography, photographs & computer art
1
791 - Public performances
1