Classification
330 - Economics
312
320 - Political science
291
900 - History & geography
290
300 - Social sciences
144
576 - Genetics & evolution
86
340 - Law
33
700 - The arts; fine & decorative arts
2
130 - Parapsychology & occultism
1
500 - Natural sciences & mathematics
1
630 - Agriculture & related technologies
1