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