The title of Hemingway's novel For Whom the Bell Tolls was taken from a poem of the 17th century English poet ________.
John Donne
The book's title is taken from the metaphysical poet John Donne's series of meditations and prayers on health, pain, and sickness (written while Donne was convalescing from a nearly fatal illness) published in 1624 as Devotions upon Emergent Occasions.