General introduction : medieval diagrams / Jeffrey F. Hamburger -- Overviews. Byzantine diagrams / Linda Safran -- Islamicate diagrams / David J. Roxburgh -- Western medieval diagrams / Jeffrey F. Hamburger -- Scientific diagrams. Between diagram and image : on Yuval's harp / Benjamin Anderson -- Byzantine-Islamic scientific culture in the astronomical diagrams of Chioniades on John of Damascus / Alexandre M. Roberts -- Space, place, diagram : Cleomedes and the visual program of Munich, Bayerische Staatsbibliothek, Cod.gr. 482 / Divna Manolova -- Al-??f?'s Kit?b ?uwar al-kaw?kib al-th?bita (Book of forms of the fixed stars) : between illustrated book, scientific instrument, and firmament / David J. Roxburgh -- Cosmological diagrams. A world of embedded spheres : circular planetary diagrams in late Byzantine manuscripts / Anne-Laurence Caudano -- Islamic cosmological diagrams / Sonja Brentjes -- Corporeal and spiritual celestial spheres and their visual figurations : from Abelard of Bath and Honorius to John of Sacrobosco and Michael Scot / Barbara Obrist -- Medical diagrams. Diagrams in Greek medical manuscripts / Petros Bouras-Vallianatos -- Proven recipes : geometry and the art of Arabic medicine / Meekyung Macmurdie -- Utility beyond function : practical and social uses of diagrams in late medieval English medical manuscripts / Sara Öberg Strådal -- Mathematical, philosophical, and theological diagrams. Grid space in Boethius's De institutione arithmetica / Megan C. McNamee -- Drawing conclusions : logic diagrams as a matrix for the making and meaning of Christian images in the Middle Ages / Jeffrey H. Hamburger -- Zweifalten's Diagrammatic scriptorium / Adam S. Cohen -- Diagramming Byzantine orthodoxy / Linda Safran -- The Prophet Mu?ammad's ?Ayn Seal : a Safavid-period diagram as cosmic vision / Christiane Gruber.