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