Classification
320 - Political science
7
306 - Culture & institutions
6
364 - Criminology
6
006 - Special computer methods
5
331 - Labor economics
5
418 - Standard usage & applied linguistics
5
809 - History, description & criticism
5
304 - Factors affecting social behavior
4
658 - General management
4
302 - Social interaction
3
305 - Social groups
3
610 - Medicine & health
3
616 - Diseases
3
332 - Financial economics
2
337 - International economics
2
371 - Schools & their activities; special education
2
430 - Germanic languages; German
2
612 - Human physiology
2
791 - Public performances
2
900 - History & geography
2
004 - Data processing & computer science
1
033 - Encyclopedias in other Germanic languages
1
036 - Encyclopedias in Spanish & Portuguese
1
070 - News media, journalism & publishing
1
300 - Social sciences
1
301 - Sociology & anthropology
1
307 - Communities
1
323 - Civil & political rights
1
327 - International relations
1
330 - Economics
1
340 - Law
1
344 - Labor, social, education & cultural law
1
370 - Education
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
401 - Philosophy & theory
1
507 - Education, research & related topics
1
516 - Geometry
1
543 - Analytical chemistry
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
571 - Physiology & related subjects
1
613 - Personal health & safety
1
615 - Pharmacology & therapeutics
1
621 - Applied physics
1
664 - Food technology
1
780 - Music
1
907 - Education, research & related topics
1
940 - History of Europe
1
942 - England & Wales
1