Karel J Robot: A Gentle Introduction to the Art of Object-Oriented Programming in Java: Bergin, Joseph, Stehlik, Mark, Roberts, Jim, Pattis, Richard: 9780970579515: Amazon.com: Books
Karel Program - Fanuc Robot Forum - Robotforum - Support and discussion community for industrial robots and cobots
Greenfoot Karel J Robot Simulator
GitHub - fikrigha/karel-release: A simple teaching environment for imperative programming basics
Karel The Robot in greenfoot Karel The Robot | Download Scientific Diagram