21
by McDonald
Published 1999
Subjects: '; ...sports -- Economic aspect -- Case studies -- United State...
22
by Milne
Published 1999
Subjects: '; ...Sports -- Economic aspect -- UnitedState...
23
by Cosell
Published 1991
Subjects: '; ...Sports -- Economic aspect -- United States...
24
by Zimbalist
Published 1999
Subjects: '; ...College sports -- Economic aspects -- United States...