1) Margaret Lawrence is the author of the Hannah Trevor series of novels set in post revolutionary Maine; M.K. Lorens is her pen name for a series of contemporary mysteries.
2) Margaret Lawrence, author of books about hops and brewing, is a different person.
3) "A Jest of God" and "The Diviners" are by Margaret Laurence (note spelling).
4) "School of Femininity" is by a different Margaret Lawrence;