A Labeled Pic Of A Sailboat How Can I Find An Education Website For Castles Of Italy During The Middleages, I Need A Labeled Diagram Pic?

How can I find an education website for castles of italy during the middleages, I need a labeled diagram pic? - a labeled pic of a sailboat

I am looking for medieval castles in Italy, I need a diagram with labels, how can I know exactly what I want? For my son to build a model for school