Possibly the scariest diagram anyone will ever have to look at. It’s even less penetrable than that Eric Levenez history of unix thing.
OOP the Easy Way
Object-Oriented Programming the Easy Way: a manifesto for reclaiming OOP from three decades of confusion and needless complexity.APPropriate Behaviour
APPosite Concerns
FSF
Have you seen the GNOME dependency diagram?
Hehe, it is a nice diagram though.