Classification
610 - Medicine & health
17
355 - Military science
4
570 - Life sciences; biology
3
616 - Diseases
3
350 - Public administration & military science
2
320 - Political science
1
330 - Economics
1
352 - General considerations of public administration
1
363 - Other social problems & services
1
940 - History of Europe
1
973 - United States
1