SUBJECT
Environmental sciences
59
Ethnology
59
Anthropology
57
Sports
50
Physical education and training
49
Physical anthropology
40
Geography
39
Physical fitness
25
Geographic information systems
20
Psychological aspects
18
Oceanography
17
Vocational guidance
16
Environmental policy
14
Recreation
14
Study and teaching
14
Physical education for children
13
Physical geography
13
Prehistoric peoples
12
Environmental protection
11
Social aspects
11
Curricula
10
History
10
Hydrology
10
Natural disasters
10
Atlases
9
Human ecology
9
Movement education
9
Testing
9
Basketball
8
Coaching (Athletics)
8
Health
8
Human geography
8
Philosophy
7
Playgrounds
7
Society, Primitive
7
Archaeology
6
Cartography
6
Environmental ethics
6
Hydrogeology
6
Leisure
6
Maps
6
Sports sciences
6
Study and teaching (Elementary)
6
Activity programs
5
Anthropology, Prehistoric
5
Education, Elementary
5
Sports administration
5
Study and teaching (Secondary)
5
Tennis
5
Water, Underground
5
more ...