Classification
000 - Computer science, information & general works
7
004 - Data processing & computer science
1
005 - Computer programming, programs & data
11
006 - Special computer methods
9
025 - Library operations
2
030 - General encyclopedic works
1
142 - Critical philosophy
2
155 - Differential & developmental psychology
1
170 - Ethics
2
230 - Christianity & Christian theology
1
300 - Social sciences
3
301 - Sociology & anthropology
1
320 - Political science
12
330 - Economics
13
331 - Labor economics
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
384 - Communications; telecommunication
1
400 - Language
18
410 - Linguistics
1
420 - English & Old English
51
428 - Standard English usage
1
440 - Romance languages; French
48
450 - Italian, Romanian & related languages
6
460 - Spanish & Portuguese languages
1
470 - Italic languages; Latin
1
480 - Hellenic languages; classical Greek
1
490 - Other languages
1
500 - Natural sciences & mathematics
9
519 - Probabilities & applied mathematics
2
620 - Engineering & allied operations
3
630 - Agriculture & related technologies
1
658 - General management
4
700 - The arts; fine & decorative arts
1
745 - Decorative arts
2
800 - Literature & rhetoric
1
808 - Rhetoric & collections of literature
3
840 - Literatures of Romance languages
8
882 - Classical Greek dramatic poetry & drama
1
900 - History & geography
3
913 - Geography of & travel in ancient world
1
914 - Geography of & travel in Europe
1