Classification
297 - Islam, Babism & Bahai Faith
200 - Religion
160
900 - History & geography
122
320 - Political science
81
700 - The arts; fine & decorative arts
45
100 - Philosophy & psychology
43
300 - Social sciences
40
301 - Sociology & anthropology
32
340 - Law
26
330 - Economics
24
400 - Language
23
370 - Education
22
800 - Literature & rhetoric
22
140 - Specific philosophical schools
20
333 - Economics of land & energy
18
000 - Computer science, information & general works
15
170 - Ethics
13
296 - Judaism
13
304 - Factors affecting social behavior
13
363 - Other social problems & services
12
720 - Architecture
11
576 - Genetics & evolution
10
380 - Commerce, communications & transportation
9
410 - Linguistics
7
780 - Music
7
600 - Technology
6
610 - Medicine & health
6
581 - Specific topics in natural history
5
551 - Geology, hydrology & meteorology
4
620 - Engineering & allied operations
4
658 - General management
4
770 - Photography, photographs & computer art
4
530 - Physics
3
361 - Social problems & social welfare in general
2
630 - Agriculture & related technologies
2
120 - Epistemology, causation & humankind
1
158 - Applied psychology
1
350 - Public administration & military science
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
880 - Hellenic literatures; classical Greek
1
920 - Biography, genealogy & insignia
1