Topic
Earth-Surface Processes
12
Geography, Planning and Development
12
Ecology, Evolution, Behavior and Systematics
6
History
5
Anthropology
3
Ecology
3
Nature and Landscape Conservation
3
Archeology
2
Energy Engineering and Power Technology
2
Fuel Technology
2
Museology
2
Plant Science
2
Animal Science and Zoology
1
Microbiology
1
Music
1