Classification
025 - Library operations
21
000 - Computer science, information & general works
6
020 - Library & information sciences
5
658 - General management
4
140 - Specific philosophical schools
2
302 - Social interaction
2
330 - Economics
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
006 - Special computer methods
1
027 - General libraries
1
300 - Social sciences
1
362 - Social welfare problems & services
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
670 - Manufacturing
1
791 - Public performances
1