1998 Major League Baseball home run record chase - Wikipedia
Timeline: Sammy Sosa vs. Mark McGwire in 1998
An Oral History Of The 1998 Major League Baseball Home Run Chase - ClickHole
Vintage Chicago Tribune: 'Summer of Sammy' Sosa home run race of 1998
Long Gone Summer': Watch Mark McGwire-Sammy Sosa documentary, what to know about 1998 home run race
How Sammy Sosa's historic June turned the 1998 home run race into a two-slugger derby
September 8, 1998: Cardinals' Mark McGwire wins the race to 62 against Sammy Sosa's Cubs – Society for American Baseball Research
Tracking the Sosa-McGwire home run chase
A Retrospective on the Home Run Chase of 1998's Impact on MLB, News, Scores, Highlights, Stats, and Rumors
Sept. 27, 1998: McGwire hits 70 and is saluted as 'the new American sports hero