Classification
000 - Computer science, information & general works
8
140 - Specific philosophical schools
5
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
1
320 - Political science
25
330 - Economics
29
333 - Economics of land & energy
13
340 - Law
1
363 - Other social problems & services
7
380 - Commerce, communications & transportation
3
400 - Language
1
414 - Phonology & phonetics
3
420 - English & Old English
2
500 - Natural sciences & mathematics
4
530 - Physics
3
540 - Chemistry & allied sciences
43
541 - Physical chemistry
1
546 - Inorganic chemistry
1
547 - Organic chemistry
3
553 - Economic geology
1
576 - Genetics & evolution
8
580 - Plants (Botany)
8
600 - Technology
108
610 - Medicine & health
1
620 - Engineering & allied operations
31
621 - Applied physics
1
622 - Mining & related operations
1
628 - Sanitary & municipal engineering
3
660 - Chemical engineering
9
661 - Industrial chemicals
1
665 - Industrial oils, fats, waxes & gases
2
668 - Technology of other organic products
1
669 - Metallurgy
8
671 - Metalworking & primary metal products
1
673 - Nonferrous metals
1
700 - The arts; fine & decorative arts
25
720 - Architecture
1
900 - History & geography
24
930 - History of ancient world to ca. 499
1