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