Classification
580 - Plants (Botany)
610 - Medicine & health
700 - The arts; fine & decorative arts
221
000 - Computer science, information & general works
176
333 - Economics of land & energy
123
600 - Technology
115
620 - Engineering & allied operations
96
363 - Other social problems & services
89
140 - Specific philosophical schools
84
630 - Agriculture & related technologies
80
380 - Commerce, communications & transportation
51
540 - Chemistry & allied sciences
50
330 - Economics
48
900 - History & geography
44
581 - Specific topics in natural history
43
615 - Pharmacology & therapeutics
34
576 - Genetics & evolution
30
414 - Phonology & phonetics
29
551 - Geology, hydrology & meteorology
29
612 - Human physiology
25
500 - Natural sciences & mathematics
20
304 - Factors affecting social behavior
17
800 - Literature & rhetoric
17
370 - Education
16
658 - General management
15
720 - Architecture
12
340 - Law
9
100 - Philosophy & psychology
7
170 - Ethics
7
320 - Political science
7
300 - Social sciences
6
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