SABR 50 at 50: Baseball Cards – Society for American Baseball Research
Baseball Happenings: Video
How Ken Griffey Jr.'s mad dash home in 1995 saved baseball in Seattle -- and ignited a Yankees dynasty - ESPN
Solving the mystery within Ken Griffey Jr. Presents Major League Baseball - The Athletic
andruw jones – The Baseball Card Blog
Five Classic Features The Current Sports Games are Missing - Operation Sports
The Junior Junkie: the Baseball Cards of Ken Griffey, Jr. and Beyond: Top 30 Griffey Acquisitions of 2017 Part 1: #21-30
andruw jones – The Baseball Card Blog
The Eerie Connection Between the NBA's Oklahoma City Thunder and MLB's Seattle Mariners, by The Civilian
2011–present – SABR's Baseball Cards Research Committee
The Junior Junkie: the Baseball Cards of Ken Griffey, Jr. and Beyond: February 2018