Classification
745 - Decorative arts
60
741 - Drawing & drawings
59
720 - Architecture
54
000 - Computer science, information & general works
40
333 - Economics of land & energy
12
330 - Economics
11
320 - Political science
7
363 - Other social problems & services
6
700 - The arts; fine & decorative arts
6
580 - Plants (Botany)
5
600 - Technology
5
620 - Engineering & allied operations
4
140 - Specific philosophical schools
3
414 - Phonology & phonetics
3
630 - Agriculture & related technologies
3
900 - History & geography
3
300 - Social sciences
2
304 - Factors affecting social behavior
2
331 - Labor economics
2
340 - Law
2
380 - Commerce, communications & transportation
2
400 - Language
2
410 - Linguistics
2
551 - Geology, hydrology & meteorology
2
610 - Medicine & health
2
004 - Data processing & computer science
1
100 - Philosophy & psychology
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
604 - Special topics
1
780 - Music
1