570 - Biology 42,262 查看記錄 510 - Mathematics 29,078 查看記錄 540 - Chemistry and allied sciences 22,052 查看記錄 530 - Physics 20,555 查看記錄 590 - Animals 11,517 查看記錄 580 - Plants 10,833 查看記錄 550 - Earth sciences 10,155 查看記錄 500 - Natural sciences and mathematics 4,782 查看記錄 520 - Astronomy and allied sciences 2,889 查看記錄 560 - Paleontology 533 查看記錄 000 - Computer science, information, general works 6 查看記錄 620 - Engineering and allied operations 4 查看記錄 630 - Agriculture and related technologies 4 查看記錄 140 - Specific philosophical schools 2 查看記錄 050 - General serial publications 1 查看記錄 330 - Economics 1 查看記錄 370 - Education 1 查看記錄 400 - Language 1 查看記錄 610 - Medicine and health 1 查看記錄 640 - Home and family management 1 查看記錄 650 - Management and auxiliary services 1 查看記錄