스포팅 라이프 (미국의 신문)

참조

_[1] 서적 Before There Was Bubble Gum: Our Favorite Pre-World War I Baseball Cards https://books.google[...] Dean's Cards 2011-04-12
_[2] 웹사이트 Honus Wagner W600 Cabinet Baseball Card http://blog.deanscar[...] Dean's Cards 2010-11-16
_[3] 웹사이트 Case Studies http://www.infovance[...] InfoVance
_[4] 뉴스 Front page 1910-09-10
_[5] 뉴스 Obituary of Francis C. Richter 1926-02-13
_[6] 뉴스 The Impact of Francis Richter on the Development of Baseball http://juro.uga.edu/[...] The University of Georgia's Journal for Undergraduate Research Opportunities
_[7] 웹사이트 The Sporting Life http://www.baseball-[...] Baseball-Fever.com 2009-06-25
_[8] 서적 Baseball: The Early Years https://archive.org/[...]
_[9] 뉴스 Hero Crafting in ''Sporting Life'', an Early Baseball Journal http://www.cci.utk.e[...] American Journalism
_[10] 문서 Roessner, Hero Crafting in Sporting Life, page 63. ("In 1886, when the Spink brothers established the Sporting News in St. Louis, Sporting Life had a circulation base of 40,000 subscribers.")
_[11] 웹사이트 Henry Chadwick (SABR Baseball Biography Project) http://sabr.org/biop[...] Society for American Baseball Research
_[12] 뉴스 History of The Sporting Life and its Baseball Cards http://www.sportscol[...] Sports Collectors Daily 2009-11-16
_[13] 웹사이트 LA84 Foundation Announces Digital Recreation of "The Sporting Life" http://www.la84found[...] LA84 Foundation 2008-05-13
_[14] 서적 Before There Was Bubble Gum: Our Favorite Pre-World War I Baseball Cards https://books.google[...] Dean's Cards 2011-04-12
_[15] 뉴스 Front page 1910-09-10