
Book of Shadows: rhtferth's Diagram - a visual meditation on the cosmic and religious resonances of computus, its subject the harmony of the twelve months rhtferth's Enchiridion. Responsibility: edited Peter S. Baker and Michael Lapidge. Uniform Title: Enchiridion; Imprint: Oxford:Published for the Early English rhtferth's Enchiridion: microcosm & macrocosm. Diagramme de rhtferth: les myst