Oct. 18, 1977: Reggie Jackson hits three homers in World Series clincher to become 'Mr. October' - Newsday
Reggie Jackson on the night he hit three homers in '77 World Series – New York Daily News
Reggie Jackson - Wikipedia
Reggie Jackson hits 3 HRs in World Series: Newsday's 1977 game story - Newsday
October 18, 1977: Reggie becomes 'Mr. October' with 3 home runs in World Series – Society for American Baseball Research
Best home runs in MLB postseason history
1977 WS Gm6: Reggie becomes Mr. October
October 18, 1977: Reggie becomes 'Mr. October' with 3 home runs in World Series – Society for American Baseball Research
Reggie Jackson, Mr October, hits 3 home runs in 1977 World Series - Sports Illustrated
The Turbulent '70s: Steinbrenner, the Stadium, and the 1970s Scene – Society for American Baseball Research