Education: How Old the New

The Popes and Science: The History of the Papal Relations to Science During the Middle Ages and Down to Our Own Time

Old Time Makers of Medicine

Makers of Modern Medicine

Medieval Medicine

Religion and Health

Health Through Will Power

The Thirteenth: Greatest of Centuries

Old-Time Makers of Medicine: The Students and Teachers of Medicine During the Middle Ages

The Century of Colombus

Medieval Medicine

Catholic Churchmen in Science: Sketches of the Lives of Catholic Ecclesiastics Who Were Among the Great Founders in Science

Health Through Will Power: With an Essay from What You Can Do With Your Will Power by Russell H. Conwell