May 7, 1921: Detroit Stars and Bacharach Giants hit the long ball – Society for American Baseball Research

SABR Century: 1921 Introduction – Society for American Baseball Research

History of baseball, Events, Dates, People, & Facts

July 16, 1921: Cristóbal Torriente, Chicago American Giants knock the starch out of 'Iron Man' McGinnity – Society for American Baseball Research

SABR Century: 1921 Introduction – Society for American Baseball Research

Historical Hitter August 8 1919: Frank Home Run Baker

Babe Ruth, New York AL, John McGraw, Nick Altrock and Al Schact, Washington AL, 10/10/1923 (baseball)] - PICRYL - Public Domain Media Search Engine Public Domain Search

American Caramel – SABR's Baseball Cards Research Committee