An pagkakaiba han mga rebisyon han "Baseball"

*{{cite book|last=Powers|first=Albert Theodore|title=The Business of Baseball|year=2003|publisher=McFarland|isbn=0-7864-1426-X|oclc=50866929}}

*{{cite book|author=Puhalla, Jim, Jeff Krans, and Mike Goatley|title=Baseball and Softball Fields: Design, Construction, Renovation, and Maintenance|year=2003|publisher=John Wiley and Sons|isbn=0-471-44793-5|oclc=50959054}}

*{{cite book|last=Riess|first=Steven A.|title=City Games: The Evolution of American Urban Society and the Rise of Sports|url=https://archive.org/details/citygamesevoluti0000ries_r5j2|year=1991|publisher=Univ. of Illinois Press|isbn=0-252-06216-7|oclc=23739530}}

*{{cite book|last=Rudel|first=Anthony J.|title=Hello, Everybody!: The Dawn of American Radio|url=https://archive.org/details/helloeverybodyd00rude|year=2008|publisher=Houghton Mifflin|isbn=0-15-101275-X|oclc=192042215}}

*{{cite book|last=Thurston|first=Bill|title=Coaching Youth Baseball: A Baffled Parents Guide|url=https://archive.org/details/baffledparentsgu0000thur|year=2000|publisher=McGraw-Hill|isbn=0-07-135822-6|oclc=43031493}}

*{{cite book|last=Tygiel|first=Jules|title=Past Time: Baseball as History|url=https://archive.org/details/pasttimebaseball0000tygi|year=2000|publisher=Oxford University Press|isbn=0-19-508958-8|oclc=42290019}}

*{{cite book|last=Zoss|first=Joel|title=Diamonds in the Rough: The Untold History of Baseball|url=https://archive.org/details/diamondsinroughu0000zoss|year=2004|publisher=Univ. of Nebraska Press|isbn=0-8032-9920-6|oclc=54611393}}

{{Refend}}