Classification
820 - English & Old English literatures
122
610 - Medicine & health
20
800 - Literature & rhetoric
18
780 - Music
15
900 - History & geography
6
809 - History, description & criticism
5
320 - Political science
4
330 - Economics
4
006 - Special computer methods
3
100 - Philosophy & psychology
3
400 - Language
3
410 - Linguistics
3
440 - Romance languages; French
3
700 - The arts; fine & decorative arts
3
821 - English poetry
3
831 - German poetry
3
840 - Literatures of Romance languages
3
850 - Italian, Romanian & related literatures
3
140 - Specific philosophical schools
2
200 - Religion
2
300 - Social sciences
2
304 - Factors affecting social behavior
2
331 - Labor economics
2
340 - Law
2
390 - Customs, etiquette & folklore
2
000 - Computer science, information & general works
1
004 - Data processing & computer science
1
005 - Computer programming, programs & data
1
025 - Library operations
1
142 - Critical philosophy
1
230 - Christianity & Christian theology
1
240 - Christian moral & devotional theology
1
250 - Christian orders & local church
1
260 - Social & ecclesiastical theology
1
296 - Judaism
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
1
510 - Mathematics
1
530 - Physics
1
541 - Physical chemistry
1
620 - Engineering & allied operations
1
658 - General management
1
668 - Technology of other organic products
1
745 - Decorative arts
1
750 - Painting & paintings
1
790 - Recreational & performing arts
1
791 - Public performances
1
808 - Rhetoric & collections of literature
1
more ...