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