Diagramming Devotion: Berthold of Nuremberg's Transformation of Hrabanus Maurus's Poems in Praise of the Cross

During the European Middle Ages, diagrams provided a critical tool of analysis in cosmological and theological debates. In addition to drawing relationships among diverse areas of human knowledge and experience, diagrams themselves generated such knowledge in the first place. In Diagramming Devotion, Jeffrey F. Hamburger examines two monumental works that are diagrammatic to their core: a famous set of picture poems of unrivaled complexity by the Carolingian monk Hrabanus Maurus, devoted to...