330 - Economics 83,517 Veure la cistella de registres 300 - Social sciences 47,200 Veure la cistella de registres 320 - Political science (Politics and government) 26,820 Veure la cistella de registres 340 - Law 21,139 Veure la cistella de registres 370 - Education 19,628 Veure la cistella de registres 360 - Social problems and services; associations 12,461 Veure la cistella de registres 380 - Commerce, communications, transportation 6,189 Veure la cistella de registres 350 - Public administration and military science 5,302 Veure la cistella de registres 390 - Customs, etiquette, folklore 4,873 Veure la cistella de registres 310 - Collections of general statistics 2,012 Veure la cistella de registres 070 - Documentary, educational, news media; journalism 30 Veure la cistella de registres 950 - History of Asia 10 Veure la cistella de registres 650 - Management and auxiliary services 4 Veure la cistella de registres 930 - History of ancient world to ca. 499 3 Veure la cistella de registres 130 - Parapsychology and occultism 2 Veure la cistella de registres 290 - Other religions 2 Veure la cistella de registres 620 - Engineering and allied operations 2 Veure la cistella de registres 800 - Literature (Belles-lettres) and rhetoric 2 Veure la cistella de registres 850 - Italian, Romanian & related literatures 2 Veure la cistella de registres 000 - Computer science, information, general works 1 Veure la cistella de registres 020 - Library and information sciences 1 Veure la cistella de registres 030 - General encyclopedic works 1 Veure la cistella de registres 190 - Modern western philosophy 1 Veure la cistella de registres 400 - Language 1 Veure la cistella de registres 510 - Mathematics 1 Veure la cistella de registres 570 - Biology 1 Veure la cistella de registres 660 - Chemical engineering 1 Veure la cistella de registres 780 - Music 1 Veure la cistella de registres 790 - Recreational and performing arts 1 Veure la cistella de registres 810 - American literature in English 1 Veure la cistella de registres 830 - Literatures of Germanic languages 1 Veure la cistella de registres 910 - Geography and travel 1 Veure la cistella de registres 960 - History of Africa 1 Veure la cistella de registres