Andrews, Samuel J. — The Life of Our Lord upon the Earth

Augustine — Harmony of the Gospels — In Nicene and Post Nicene Fathers

Broadus, John A. — A Harmony of the Gospels

Burton, E. D., and Goodspeed, E. J. — A Critical Harmony of the Gospels

Dau, W. — Harmony Outline Based on Chemnitz, Leyser, Gerhard (Lectures)

Davis, John D. — A Dictionary of the Bible

Ebrard, J. H. A. — The Gospel History

Edersheim, Alfred — The Life and Times of Jesus the Messiah

Farrar, F. W. — The Life of Christ

Gerhardt, Oswald — Der Stern des Messias

Hauber, E. D. — Harmome der Evangelisten

Hill, J. Hamlyn — The Earliest Life of Christ

International Standard Bible Encyclopaedia, The

Kerr, John H. — A Harmony of the Gospels

Lodder, W. — Die Schaetzung des Quirinius bei Flavius Josephus

Macknight, James — Harmony of the Gospels

Ramsay, W. M. — Was Christ Born at Bethlehem?

Robinson, Edward — A Harmony of the Gospels in Greek

Robertson, A. T. — A Harmony of the Gospels

Sharman, H. B. — Records of the Life of Jesus

Stalker, James — The Trial and Death of Jesus Christ

Stevens, Wm. A., and Burton, E. — A Harmony of the Gospels

Stoeckhardt, G. — Die Biblische Geschichte des Neuen Testaments

Tatian — The Diatessaron

Tholuck, A. — The Glaubwuerdigkeit der Evangelischen Geschichte

Weiss, B. — The Life of Christ

Wieseler, Karl — A Chronological Synopsis of the Four Gospels

Wislicenus, W. F. — Der Kalender

Ylvisaker, John — The Gospels