Classification
900 - History & geography
8
700 - The arts; fine & decorative arts
6
320 - Political science
3
140 - Specific philosophical schools
2
306 - Culture & institutions
2
330 - Economics
2
930 - History of ancient world to ca. 499
2
000 - Computer science, information & general works
1
006 - Special computer methods
1
016 - Bibliographies of works on specific subjects
1
017 - General subject catalogs
1
070 - News media, journalism & publishing
1
299 - Religions not provided for elsewhere
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
307 - Communities
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
512 - Algebra
1
519 - Probabilities & applied mathematics
1
539 - Modern physics
1
550 - Earth sciences
1
600 - Technology
1
616 - Diseases
1
621 - Applied physics
1
738 - Ceramic arts
1
745 - Decorative arts
1
791 - Public performances
1
800 - Literature & rhetoric
1
910 - Geography & travel
1
936 - Europe north & west of Italy to ca. 499
1
945 - Italian Peninsula & adjacent islands
1
949 - Other parts of Europe
1
954 - South Asia; India
1
961 - Tunisia & Libya
1