Classification
004 - Data processing & computer science
15
006 - Special computer methods
8
519 - Probabilities & applied mathematics
4
005 - Computer programming, programs & data
2
304 - Factors affecting social behavior
2
330 - Economics
2
370 - Education
2
621 - Applied physics
2
670 - Manufacturing
2
000 - Computer science, information & general works
1
003 - Systems
1
025 - Library operations
1
100 - Philosophy & psychology
1
300 - Social sciences
1
320 - Political science
1
374 - Adult education
1
500 - Natural sciences & mathematics
1
515 - Analysis
1
930 - History of ancient world to ca. 499
1