Classification
330 - Economics
23,717
320 - Political science
22,879
340 - Law
16,338
820 - English & Old English literatures
11,379
900 - History & geography
2,438
300 - Social sciences
2,165
940 - History of Europe
1,156
360 - Social problems & services; associations
863
630 - Agriculture & related technologies
716
280 - Christian denominations & sects
618
700 - The arts; fine & decorative arts
584
380 - Commerce, communications & transportation
575
250 - Christian orders & local church
433
610 - Medicine & health
380
350 - Public administration & military science
326
370 - Education
317
200 - Religion
300
576 - Genetics & evolution
245
941 - British Isles
229
260 - Social & ecclesiastical theology
206
800 - Literature & rhetoric
205
520 - Astronomy & allied sciences
182
170 - Ethics
172
920 - Biography, genealogy & insignia
170
790 - Recreational & performing arts
169
020 - Library & information sciences
148
780 - Music
134
010 - Bibliography
132
230 - Christianity & Christian theology
131
650 - Management & auxiliary services
130
240 - Christian moral & devotional theology
128
970 - History of North America
112
620 - Engineering & allied operations
111
390 - Customs, etiquette & folklore
106
810 - American literature in English
105
640 - Home & family management
102
910 - Geography & travel
102
720 - Architecture
79
730 - Plastic arts; sculpture
72
270 - History of Christianity & Christian church
69
660 - Chemical engineering
67
306 - Culture & institutions
65
550 - Earth sciences
65
590 - Animals (Zoology)
61
338 - Production
54
942 - England & Wales
52
740 - Drawing & decorative arts
46
580 - Plants (Botany)
45
327 - International relations
44
658 - General management
44
more ...