000 - Computer science, information, general works 706 100 - Philosophy & psychology 154 200 - Religion 59 300 - Social sciences 5,846 400 - Language 151 500 - Natural sciences and mathematics 381 600 - Technology (Applied sciences) 3,807 700 - The arts 22 800 - Literature (Belles-lettres) and rhetoric 151 900 - History & geography 36