Classification
305 - Social groups
306 - Culture & institutions
37
330 - Economics
6
610 - Medicine & health
5
302 - Social interaction
3
300 - Social sciences
2
370 - Education
2
658 - General management
2
900 - History & geography
2
100 - Philosophy & psychology
1
303 - Social processes
1
331 - Labor economics
1
380 - Commerce, communications & transportation
1
384 - Communications; telecommunication
1
500 - Natural sciences & mathematics
1
600 - Technology
1
612 - Human physiology
1
938 - Greece to 323
1