Medieval Book-Binding and Illumination

What techniques and vocabulary do scholars have for analyzing bindings?  Jennifer M. Sheppard, ôSome Twelfth-Century Monastic Bindings and the Question of Localization," in Making the Medieval Book: Techniques of Production, ed. Linda L. Brownrigg (Los Altos, Cal.: Anderson-Lovelace, 1995) 181-98 [photocopy].   Michelle P. Brown, "Elements of Illumination," in Understanding Illuminated Manuscripts: A Guide to Technical Terms, (Malibu, Ca.: J. Paul Getty Museum, 1994) p. 8 [photocopy].  Test your ability to use Brown's vocabulary to describe these images of two extensively illuminated MS leaves.