000 - Computer science, information & general works 14,225 100 - Philosophy & psychology 10,664 200 - Religion 7,742 300 - Social sciences 53,579 400 - Language 5,634 500 - Science 31,358 600 - Technology 31,992 700 - Arts & recreation 7,157 800 - Literature 51,947 900 - History & geography 14,529