Critical Studies in St. Luke's Gospel: Its Demonology and Ebionitism is a book written by Colin Campbell in 1891. The book is a critical analysis of the Gospel of Luke, with a focus on its portrayal of demons and its relationship to the early Christian sect known as the Ebionites. Campbell examines Luke's use of demonology, arguing that it reflects the beliefs and practices of the early Christian community. He also explores the influence of the Ebionites...