Classification
170 - Ethics
610 - Medicine & health
700 - The arts; fine & decorative arts
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
370 - Education
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1