Classification
820 - English & Old English literatures
57,602
330 - Economics
46,322
320 - Political science
44,970
340 - Law
20,541
900 - History & geography
5,883
610 - Medicine & health
5,334
300 - Social sciences
5,306
230 - Christianity & Christian theology
3,882
780 - Music
3,830
570 - Life sciences; biology
3,532
250 - Christian orders & local church
3,373
280 - Christian denominations & sects
3,101
600 - Technology
2,882
240 - Christian moral & devotional theology
2,658
260 - Social & ecclesiastical theology
2,443
940 - History of Europe
2,351
630 - Agriculture & related technologies
2,193
520 - Astronomy & allied sciences
1,915
360 - Social problems & services; associations
1,782
170 - Ethics
1,599
800 - Literature & rhetoric
1,545
200 - Religion
1,456
700 - The arts; fine & decorative arts
1,403
380 - Commerce, communications & transportation
1,218
620 - Engineering & allied operations
1,215
910 - Geography & travel
1,111
370 - Education
1,060
576 - Genetics & evolution
1,017
420 - English & Old English
1,004
616 - Diseases
993
510 - Mathematics
971
390 - Customs, etiquette & folklore
954
790 - Recreational & performing arts
919
650 - Management & auxiliary services
871
010 - Bibliography
786
005 - Computer programming, programs & data
745
020 - Library & information sciences
698
640 - Home & family management
689
658 - General management
679
270 - History of Christianity & Christian church
672
500 - Natural sciences & mathematics
667
621 - Applied physics
662
338 - Production
649
810 - American literature in English
642
840 - Literatures of Romance languages
630
970 - History of North America
582
350 - Public administration & military science
579
004 - Data processing & computer science
575
290 - Other religions
514
327 - International relations
511
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