The alternative trinity : gnostic heresy in Marlowe, Milton, and Blake by A.D. Nuttall
The apocalyptic imagination: an introduction to Jewish apocalyptic literature (2nd ed.) by John J. Collins.
Backgrounds of Early Christianity (3rd ed.) by Everett Ferguson
Beyond belief: the secret gospel of Thomas by Elaine Pagels

The darkling: a treatise on Slavic vampirism by Jan L. Perkowski
Demons and the Devil: moral imagination in modern Greek culture by Charles Stewart
The Devil: perceptions of evil from antiquity to primitive Christianity Jeffrey Burton Russell
The Gnostic Bible [edited] by Willis Barnstone and Marvin Meyer
The gnostic gospels by Elaine Pagels

In the name of Jesus: exorcism among early Christians by Graham H. Twelftree
Jesus the miracle worker: a historical and theological study by Graham H. Twelftree
Lost Christianities: the battles for scripture and the faiths we never knew by Bart D. Ehrman
Lost scriptures: books that did not make it into the New Testament by Bart D. Ehrman
The New Testament and other early Christian writings: a reader by Bart D. Ehrman

The Old Testament pseudepigrapha: apocalyptic literature & testaments, vols. 1-2 [edited] by James H. Charlesworth
The origin of Satan by Elaine Pagels
Satan’s rhetoric: a study of Renaissance demonology by Armando Maggi

The vampire: a casebook [edited] by Alan Dundes
Visions of Heaven and Hell before Dante
by Eileen Gardiner
The works of Josephus
[trans.] by William Whiston