Classification
616 - Diseases
15
664 - Food technology
8
006 - Special computer methods
5
530 - Physics
4
641 - Food & drink
4
320 - Political science
3
338 - Production
3
571 - Physiology & related subjects
3
005 - Computer programming, programs & data
2
510 - Mathematics
2
512 - Algebra
2
547 - Organic chemistry
2
572 - Biochemistry
2
580 - Plants (Botany)
2
617 - Surgery & related medical specialties
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
658 - General management
2
660 - Chemical engineering
2
004 - Data processing & computer science
1
036 - Encyclopedias in Spanish & Portuguese
1
303 - Social processes
1
304 - Factors affecting social behavior
1
330 - Economics
1
340 - Law
1
410 - Linguistics
1
507 - Education, research & related topics
1
539 - Modern physics
1
543 - Analytical chemistry
1
551 - Geology, hydrology & meteorology
1
570 - Life sciences; biology
1
577 - Ecology
1
579 - Microorganisms, fungi & algae
1
599 - Mammals
1
610 - Medicine & health
1
611 - Human anatomy, cytology & histology
1
621 - Applied physics
1
691 - Building materials
1
700 - The arts; fine & decorative arts
1