"Trebelhorn to manage Tri-Cities team". Moscow-Pullman Daily News. Idaho-Washington. November 24, 1994. p. 2D. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
"Portland stadium name changed". Eugene Register-Guard. Oregon. Associated Press. July 28, 2000. p. 5D. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
"Tri-City's leader taken by death". Spokane Daily Chronicle. Washington. Associated Press. July 27, 1968. p. 8. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
Stalwick, Howie (June 16, 1987). "Indians open season tonight". Spokesman-Review. Spokane, Washington. p. B1. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
tri-cityherald.com
Millikin, Jack (September 13, 2008). "Blackmon, attendance top highlights". Tri-City Herald. Kennewick, Washington: The McClatchy Company. Archived from the original on 2011-07-17. Retrieved February 22, 2011.
"Trebelhorn to manage Tri-Cities team". Moscow-Pullman Daily News. Idaho-Washington. November 24, 1994. p. 2D. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
"Portland stadium name changed". Eugene Register-Guard. Oregon. Associated Press. July 28, 2000. p. 5D. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
Millikin, Jack (September 13, 2008). "Blackmon, attendance top highlights". Tri-City Herald. Kennewick, Washington: The McClatchy Company. Archived from the original on 2011-07-17. Retrieved February 22, 2011.
"Tri-City's leader taken by death". Spokane Daily Chronicle. Washington. Associated Press. July 27, 1968. p. 8. Archived from the original on January 2, 2021. Retrieved January 2, 2021.
Stalwick, Howie (June 16, 1987). "Indians open season tonight". Spokesman-Review. Spokane, Washington. p. B1. Archived from the original on January 2, 2021. Retrieved January 2, 2021.