Griffey hits No. 600 against Marlins, joins elite group
The Life And Career Of Ken Griffey Jr. (Complete Story)
8 Home Runs in July: A Ken Griffey Jr. Celebration - Lookout Landing
Griffey Jr. hits his 630th career home run
Game of the Day, Griffey at 599, rookie .579
Griffey's 400th homer sets new standard
Ranking Ken Griffey Jr.'s seasons in Cincinnati - Red Reporter
April 10, 2000: Ken Griffey Jr. becomes youngest player to hit 400 home runs – Society for American Baseball Research
The inside story of Ken Griffey Jr.'s performance in the 1998 Home Run Derby
Ken Griffey Jr. – Society for American Baseball Research