Career
Lybyer taught medieval and modern European history at Oberlin College from 1909 to 1913, and also held teaching positions at Robert College of Istanbul (1900–1906), Harvard University (1907–1909) and the University of Illinois (1913–1944). He served as a technical advisor to the King–Crane Commission in 1919. The book "The Government of the Ottoman Empire in the Time of Suleiman the Magnificent" was his most influential work.