Classification
320 - Political science
212
330 - Economics
135
350 - Public administration & military science
87
500 - Natural sciences & mathematics
53
340 - Law
32
300 - Social sciences
25
530 - Physics
22
210 - Philosophy & theory of religion
20
520 - Astronomy & allied sciences
17
940 - History of Europe
17
100 - Philosophy & psychology
15
900 - History & geography
15
700 - The arts; fine & decorative arts
14
170 - Ethics
13
610 - Medicine & health
9
620 - Engineering & allied operations
8
200 - Religion
7
380 - Commerce, communications & transportation
6
820 - English & Old English literatures
6
220 - Bible
5
510 - Mathematics
5
370 - Education
4
630 - Agriculture & related technologies
4
240 - Christian moral & devotional theology
3
260 - Social & ecclesiastical theology
3
020 - Library & information sciences
2
550 - Earth sciences
2
570 - Life sciences; biology
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
250 - Christian orders & local church
1
290 - Other religions
1
303 - Social processes
1
321 - Systems of governments & states
1
360 - Social problems & services; associations
1
364 - Criminology
1
420 - English & Old English
1
509 - Historical, geographic & persons treatment
1
540 - Chemistry & allied sciences
1
720 - Architecture
1
760 - Graphic arts; printmaking & prints
1
800 - Literature & rhetoric
1