Lou Gehrig, American Experience, Official Site
Gehrig's farewell speech still echoes in baseball, Professional sports
TSN Archives: How Lou Gehrig described his weakening condition, end of streak to The Sporting News in 1939
Lou Gehrig's disease: Why ALS is forever associated with one of America's baseball greats
Eleanor Gehrig – Society for American Baseball Research
Lou Gehrig, Biography, Statistics, Disease, & Facts
ALS: What you should know about the incurable, debilitating disease
Bryan Randall, Sandra Bullock's partner, dies of ALS. What to know. - The Washington Post
Babe Ruth And Lou Gehrig – Society for American Baseball Research
Learn more about amyotrophic lateral sclerosis, or ALS - Mayo Clinic News Network