Ταξιθετικός Αριθμός
900 - History & geography
2.046
300 - Social sciences
1.500
700 - The arts
391
000 - Computer science, information, general works
315
800 - Literature (Belles-lettres) and rhetoric
231
200 - Religion
217
600 - Technology (Applied sciences)
199
500 - Natural sciences and mathematics
117
100 - Philosophy & psychology
113
400 - Language
81