Key to the Gospels or Why Four Gospels is a manual written by D.S. Gregory in 1876. The book is designed to aid Christians, especially ministers, theological students, and Bible scholars, in understanding the four Gospels of the New Testament. The author explores the reasons why there are four Gospels (Matthew, Mark, Luke, and John) and how they differ from each other. He also provides an in-depth analysis of the historical and cultural context of...