Matèria
Professional sports
116
Economic aspects
63
Sports
49
Law and legislation
20
History
17
Sports administration
12
Baseball
8
Finance
8
Social aspects
8
Sports franchises
8
Collective bargaining
6
Vocational guidance
6
Antitrust law
5
Professional sports contracts
5
Soccer
5
Sports team owners
5
Sports teams
5
Basketball
4
Boxing
4
Marketing
4
Performing arts
4
Records
4
Athletes
3
College sports
3
Competition
3
Corrupt practices
3
Deporte
3
Football
3
Monopolies
3
Basketball players
2
Discriminacion
2
Discrimination
2
Labor unions
2
Legal status, laws, etc
2
Management
2
Moral and ethical aspects
2
National characteristics, American
2
Professional athletes
2
Sports spectators
2
Stadiums
2
African American boxers
1
Aggressiveness
1
Baseball players
1
Basketball stories
1
Biography
1
Boxers (Sports)
1
Coach-athlete relationships
1
Communication in marketing
1
Community development
1
Competition (Psychology)
1
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