650 - Management and auxiliary services 65,030 Ver Registros 630 - Agriculture and related technologies 46,745 Ver Registros 610 - Medicine and health 27,487 Ver Registros 620 - Engineering and allied operations 26,096 Ver Registros 660 - Chemical engineering 10,136 Ver Registros 640 - Home and family management 3,437 Ver Registros 670 - Manufacturing 2,929 Ver Registros 680 - Manufacture of products for specific uses 1,313 Ver Registros 600 - Technology (Applied sciences) 750 Ver Registros 690 - Construction of buildings 558 Ver Registros 330 - Economics 5 Ver Registros 570 - Biology 5 Ver Registros 000 - Computer science, information, general works 3 Ver Registros 070 - Documentary, educational, news media; journalism 2 Ver Registros 150 - Psychology 2 Ver Registros 530 - Physics 2 Ver Registros 020 - Library and information sciences 1 Ver Registros 050 - General serial publications 1 Ver Registros 340 - Law 1 Ver Registros 380 - Commerce, communications, transportation 1 Ver Registros 500 - Natural sciences and mathematics 1 Ver Registros 510 - Mathematics 1 Ver Registros 550 - Earth sciences 1 Ver Registros 580 - Plants 1 Ver Registros 770 - Photography, computer art, cinematography 1 Ver Registros