Classification
900 - History & geography
68
800 - Literature & rhetoric
31
100 - Philosophy & psychology
30
820 - English & Old English literatures
21
200 - Religion
18
320 - Political science
16
510 - Mathematics
15
610 - Medicine & health
15
340 - Law
14
880 - Hellenic literatures; classical Greek
14
330 - Economics
13
700 - The arts; fine & decorative arts
12
140 - Specific philosophical schools
10
292 - Greek & Roman religion
9
400 - Language
8
501 - Philosophy & theory
8
938 - Greece to 323
8
000 - Computer science, information & general works
7
370 - Education
7
520 - Astronomy & allied sciences
7
170 - Ethics
6
297 - Islam, Babism & Bahai Faith
6
780 - Music
6
006 - Special computer methods
5
180 - Ancient, medieval & eastern philosophy
5
410 - Linguistics
5
500 - Natural sciences & mathematics
5
516 - Geometry
5
551 - Geology, hydrology & meteorology
5
620 - Engineering & allied operations
5
658 - General management
5
881 - Classical Greek poetry
5
882 - Classical Greek dramatic poetry & drama
5
333 - Economics of land & energy
4
509 - Historical, geographic & persons treatment
4
530 - Physics
4
616 - Diseases
4
790 - Recreational & performing arts
4
930 - History of ancient world to ca. 499
4
025 - Library operations
3
160 - Logic
3
300 - Social sciences
3
301 - Sociology & anthropology
3
480 - Hellenic languages; classical Greek
3
512 - Algebra
3
617 - Surgery & related medical specialties
3
040 - [Unassigned]
2
120 - Epistemology, causation & humankind
2
142 - Critical philosophy
2
150 - Psychology
2
more ...