"All-time men's best mile race". Track and Field all-time Performances Homepage. 15 August 2007. Archived from the original on 18 August 2007. Retrieved 31 August 2007.
"All-time men's best mile race". Track and Field all-time Performances Homepage. 15 August 2007. Archived from the original on 18 August 2007. Retrieved 31 August 2007.