Classification
320 - Political science
6
306 - Culture & institutions
5
791 - Public performances
4
370 - Education
3
004 - Data processing & computer science
2
305 - Social groups
2
338 - Production
2
364 - Criminology
2
515 - Analysis
2
571 - Physiology & related subjects
2
576 - Genetics & evolution
2
616 - Diseases
2
006 - Special computer methods
1
100 - Philosophy & psychology
1
303 - Social processes
1
323 - Civil & political rights
1
325 - International migration & colonization
1
330 - Economics
1
337 - International economics
1
340 - Law
1
378 - Higher education
1
400 - Language
1
500 - Natural sciences & mathematics
1
519 - Probabilities & applied mathematics
1
530 - Physics
1
650 - Management & auxiliary services
1
658 - General management
1
792 - Stage presentations
1
809 - History, description & criticism
1
945 - Italian Peninsula & adjacent islands
1
960 - History of Africa
1
980 - History of South America
1