Classification
306 - Culture & institutions
3
004 - Data processing & computer science
2
304 - Factors affecting social behavior
2
305 - Social groups
2
320 - Political science
2
340 - Law
2
418 - Standard usage & applied linguistics
2
000 - Computer science, information & general works
1
005 - Computer programming, programs & data
1
300 - Social sciences
1
301 - Sociology & anthropology
1
322 - Relation of state to organized groups
1
330 - Economics
1
333 - Economics of land & energy
1
371 - Schools & their activities; special education
1
380 - Commerce, communications & transportation
1
571 - Physiology & related subjects
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
790 - Recreational & performing arts
1
900 - History & geography
1
941 - British Isles
1