This seems like a decent starting point: https://castle-engine.io/modern_pascal https://castle-engine.io/modern_pascal > Why: There are many books and resource

This seems like a decent starting point: https://castle-engine.io/modern_pascal https://castle-engine.io/modern_pascal > Why: There are many books and resources about Pascal out there, but too many of them talk about the old Pascal, without classes, units or generics. So I wrote this quick introduction to what I call modern Object Pascal.