Por un escritor de hombre misterioso
This page of IGN's wiki for Madison explains how to solve the Lock Code found in the Ritual Room of Luca's House, discovered very early on. As such
MADiSON Walkthrough and Guide - Neoseeker
Madison Guide - IGN
Madison crime scene lock puzzle solution and how to open the crime scene well
MADiSON - How to Open Red Safe Safe Code
MADiSON - How to Open Hatch Door
Lock Code Madison
How to solve the Clock Puzzle in Madison
How to solve the Madison Picture Puzzle in the Attic
Madison crime scene lock puzzle solution and how to open the crime scene well
MADiSON Walkthrough and Guide - Neoseeker
Blue Knees - Madison Guide - IGN
The Attic - Madison Guide - IGN