000 - Computer science, information & general works 14,140 100 - Philosophy & psychology 10,434 200 - Religion 7,656 300 - Social sciences 52,832 400 - Language 5,567 500 - Science 31,176 600 - Technology 31,510 700 - Arts & recreation 7,060 800 - Literature 51,522 900 - History & geography 14,366