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643
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247
Sports
236
Baseball
114
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106
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100
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97
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95
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88
Psychological aspects
82
Human evolution
79
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77
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77
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69
Baseball players
65
Nature
61
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58
Effect of human beings on
57
Historical geography
48
Rowing
48
Anthropology
47
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45
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44
Economic aspects
40
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40
Environmentalism
39
Football
39
Histoire
39
Social evolution
39
Antiquities
38
College sports
38
Environnement
36
Geography
36
Human beings
36
Environmental ethics
35
Tales
35
Aspect social
34
Homme
34
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33
Moral and ethical aspects
33
Sociobiology
33
Dance
32
Ethnopsychology
31
Physical education and training
31
Basketball
29
Environmental aspects
29
Evolution
29
Description and travel
27
Ecology
27
Environmental degradation
27
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