CLASP Handlist Book: R. M. Thomson, Books and learning in twelfth-century England: the ending of 'Alter orbis' (Walkern: The Red Gull Press, 2006). Manuscript references in: Oxford, Bodleian Library, Douce 368 Oxford, Bodleian Library, e Mus. 115 Oxford, Bodleian Library, e Mus. 115