[Oe List ...] 4 novels

Dear Colleagues, A friend is asking me about 4 novels from our community in the 70s that were related to God, Christ, Holy Spirit, Church. He thinks two of them were The Sybil and One Flew Over the Cuckoo's Nest. Perhaps another was Journey to the East. What other novels do you think of from the 70s? Thanks, Jeanette