Classification
000 - Computer science, information & general works
384 - Communications; telecommunication
7
374 - Adult education
2
140 - Specific philosophical schools
1
302 - Social interaction
1
320 - Political science
1
330 - Economics
1
331 - Labor economics
1
338 - Production
1
360 - Social problems & services; associations
1
370 - Education
1
380 - Commerce, communications & transportation
1
381 - Commerce
1
400 - Language
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1