Número de Clasificación
400 - Language
1,589
000 - Computer science, information, general works
674
300 - Social sciences
619
500 - Natural sciences and mathematics
494
600 - Technology (Applied sciences)
313
800 - Literature (Belles-lettres) and rhetoric
236
900 - History & geography
213
700 - The arts
174
200 - Religion
132
100 - Philosophy & psychology
108