How to solve the knight and knave logic problem (historical puzzles, lies, truth, deduction) - Quora
Knights and Knaves - A General Statement : r/puzzles
Knights and Knaves etc. - Logic Puzzles from Raymond Smullyan books | Teaching Resources
Knights, Knaves, and Normals Puzzle Generator - Wolfram Demonstrations Project
Meta-logical problems: Knight, knaves, and Rips P.N. Johnson-Laird Princeton University Ruth M.J. Byrne University of Wales College of Cardiff Presented. - ppt download