Classification
600 - Technology
44
700 - The arts; fine & decorative arts
43
620 - Engineering & allied operations
31
900 - History & geography
29
000 - Computer science, information & general works
28
330 - Economics
26
333 - Economics of land & energy
25
158 - Applied psychology
20
380 - Commerce, communications & transportation
19
153 - Mental processes & intelligence
18
576 - Genetics & evolution
18
820 - English & Old English literatures
18
500 - Natural sciences & mathematics
16
658 - General management
16
363 - Other social problems & services
14
610 - Medicine & health
14
580 - Plants (Botany)
13
140 - Specific philosophical schools
12
720 - Architecture
12
340 - Law
9
150 - Psychology
8
230 - Christianity & Christian theology
8
650 - Management & auxiliary services
8
170 - Ethics
6
320 - Political science
6
530 - Physics
6
155 - Differential & developmental psychology
5
331 - Labor economics
5
370 - Education
5
810 - American literature in English
5
200 - Religion
4
300 - Social sciences
4
800 - Literature & rhetoric
4
302 - Social interaction
3
338 - Production
3
384 - Communications; telecommunication
3
400 - Language
3
414 - Phonology & phonetics
3
630 - Agriculture & related technologies
3
006 - Special computer methods
2
540 - Chemistry & allied sciences
2
004 - Data processing & computer science
1
100 - Philosophy & psychology
1
177 - Ethics of social relations
1
179 - Other ethical norms
1
204 - Religious experience, life & practice
1
210 - Philosophy & theory of religion
1
220 - Bible
1
232 - Jesus Christ & his family
1
250 - Christian orders & local church
1
more ...