Britannica: Hyatt Regency walkway collapse
YouTube video by architect/professor Stewart Hicks
"A lesson tragically learned" from Building Design & Construction
"The fatal engineering flaw behind the deadliest accidental building collapse in US history" from Popular Mechanics
Hyatt Regency photos at Texas A&M's Civil Engineering Ethics site
"The Hyatt Regency Walkway Collapse: Kansas City's Darkest Day" from Kansas City Yesterday
US Department of Commerce investigation report
Science News article from 1981, focusing on finding the causes
American Bar Association Journal from 1981, focusing on the legal aspects
"Case methods in civil engineering" (scroll down to #4!)