1. THE GEOMETRY OF THE QUR'AN OF AMAJUR: A PRELIMINARY STUDY OF PROPORTION IN EARLY ARABIC CALLIGRAPHY
2. Catalogue des manuscrits arabes (Paris: Bibliothèque Nationale de France, 1983);
3. François Déroche, The Abbasid Tradition. Qur~~ns of the 8th to 10th centuries A.D. (London: The Nour Foundation, 1992) for explanations of script types.
4. Alain George, The Geometry of Early Islamic Calligraphy, unpublished DPhil thesis (2006, University of Oxford: Bodleian MS DPhil. c.19945, 19946).
5. In a few cases, the exact assessment of the frame still poses some difficulties - for a discussion of the underlying criteria, see George, The Geometry of Early Islamic Calligraphy, pp. 51-3.