The nineteenth-century medieval revival in literature, art, architecture, and social thought has been chiefly discussed as an attempt to recapture the sentimentalized atmosphere of the Middle Ages by restoring its outer trappings. This dissertation instead delves into the underlying assumptions of the medieval revival that reflect the nineteenth-century change in the very concept of the past and its uses. Central to the work of Coleridge, Shelley, Cobbett, Pugin, Carlyle, Ruskin, Morris, Chesterton, and Eric Gill, and to the goals of Aestheticism, the Arts and Crafts Movement, the Anglo-Catholic Revival, and the Anglo-Irish Renaissance is the idea of a vital past whose spirit could be rediscovered and carried forward into the present. The f...