Classification
510 - Mathematics
10
530 - Physics
4
120 - Epistemology, causation & humankind
3
420 - English & Old English
3
910 - Geography & travel
3
610 - Medicine & health
2
820 - English & Old English literatures
2
030 - General encyclopedic works
1
520 - Astronomy & allied sciences
1
570 - Life sciences; biology
1