1) Evangel 2) Evangels 3) Gospel 1) NT books 2) Biblical foursome 3) Biblical quartet 4) Evangel 5) Four New Testament books 6) Foursome followed by Acts 7) Gospel 8) Important doctrines 9) John and Luke, for two 10) John and Mark, for two 11) John and others 12) Religious text 13) Religious writing 14) Sacred text 15) Sacred writing