Classification
530 - Physics
18
510 - Mathematics
16
500 - Natural sciences & mathematics
11
520 - Astronomy & allied sciences
11
820 - English & Old English literatures
11
570 - Life sciences; biology
6
910 - Geography & travel
6
610 - Medicine & health
5
680 - Manufacture for specific uses
5
120 - Epistemology, causation & humankind
4
420 - English & Old English
4
740 - Drawing & decorative arts
3
030 - General encyclopedic works
2
130 - Parapsychology & occultism
2
320 - Political science
1
330 - Economics
1
540 - Chemistry & allied sciences
1
620 - Engineering & allied operations
1
760 - Graphic arts; printmaking & prints
1