What Is Learned from 70,000 Responses to Trolley Scenarios? - Daily Nous
ACM: Digital Library: Communications of the ACM
Trolley problem - Wikipedia
Trenz Pruca's Trolley Test: or are you as moral as you think you are? | Trenz Pruca's Journal
Amazon.com: Skybound Trial by Trolley: an Adult Card Game of Moral Dilemmas and Murder | Party Game Games and Cyanide and Happiness | 3-12 Players, Ages 18 and Up : Skybound: Toys & Games
The Trolley Problem Meme: What Do You Do?
The trolley dilemma: would you kill one person to save five?
The trolley dilemma: would you kill one person to save five?