Classification
519 - Probabilities & applied mathematics
5
530 - Physics
5
320 - Political science
4
005 - Computer programming, programs & data
3
306 - Culture & institutions
3
510 - Mathematics
3
515 - Analysis
3
809 - History, description & criticism
3
006 - Special computer methods
2
302 - Social interaction
2
330 - Economics
2
336 - Public finance
2
340 - Law
2
370 - Education
2
512 - Algebra
2
004 - Data processing & computer science
1
304 - Factors affecting social behavior
1
305 - Social groups
1
333 - Economics of land & energy
1
364 - Criminology
1
371 - Schools & their activities; special education
1
374 - Adult education
1
428 - Standard English usage
1
500 - Natural sciences & mathematics
1
507 - Education, research & related topics
1
518 - Numerical analysis
1
539 - Modern physics
1
541 - Physical chemistry
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1
791 - Public performances
1
792 - Stage presentations
1