Early Catcher's Mask, Baseball Then and Now, Introduction, Explore, Baseball Americana, Exhibitions at the Library of Congress
Encyclopedia of Baseball Catcher's Equipment - Mask
Indoor Baseball: The Birth of Softball, A Game Divided, Who's Playing, Explore, Baseball Americana, Exhibitions at the Library of Congress
Thayer's Invention - History Nebraska
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Art Eyewitness: July 2018
Exploring Baseball Americana
This Crackerjack Lineup of Baseball Memorabilia Drives Home the Game's American Essence, History
Vintage American Baseball Game Catchers Mask
Digital Exhibits – Brown County Historical Society
RBSC at ND – Collection highlights, news about acquisitions, events and exhibits, and behind-the-scenes looks at the work and services of Rare Books & Special Collections (RBSC) at Notre Dame.
Introduction, Explore, Baseball Americana, Exhibitions at the Library of Congress
Exploring Baseball Americana
Vintage American Baseball Game Catchers Mask
Digital Exhibits – Brown County Historical Society
Digital Exhibits – Brown County Historical Society