000 - Computer science, information & general works 14,220 100 - Philosophy & psychology 10,721 200 - Religion 7,801 300 - Social sciences 53,716 400 - Language 5,667 500 - Science 31,400 600 - Technology 32,058 700 - Arts & recreation 7,174 800 - Literature 52,300 900 - History & geography 14,639