Get thee to the (Sister) Corita (Kent) and the language of Pop exhibit at the Harvard art museums before it closes in early January 2016. Two great films of "Mary's Day" at IHM in '64 and '65 loop in the galleries. This clip will give you a l'il taste of the sort of thing to expect.
[Further Corit-ing: The Big G Stands for Goodness]
I believe the Clash said it best: He who fucks nuns will later join the church.