Classification
005 - Computer programming, programs & data
89
003 - Systems
35
004 - Data processing & computer science
12
658 - General management
12
500 - Natural sciences & mathematics
9
650 - Management & auxiliary services
7
025 - Library operations
5
510 - Mathematics
4
512 - Algebra
4
519 - Probabilities & applied mathematics
3
000 - Computer science, information & general works
2
006 - Special computer methods
2
610 - Medicine & health
2
621 - Applied physics
2
344 - Labor, social, education & cultural law
1
507 - Education, research & related topics
1
516 - Geometry
1
620 - Engineering & allied operations
1
745 - Decorative arts
1
808 - Rhetoric & collections of literature
1