Making Manuscripts. A short video (6:10) from the Getty Museum.
ODLIS: Online Dictionary of Library and Information Science. An extensive dictionary of terms used in the book arts.
Medieval Manuscript Manual by Central European University in Budapest.
The Murthly Hours. One of the most richly decorated manuscripts in medieval Scotland, browsable online.
Ductus. An online course in paleography, from the University of Melbourne.
Medieval Writing: History, heritage and data source. Dr. Dianne Tillotson's paleography web site.
The Artist's Handbook of Materials and Techniques, by Ralph Meyer, Fifth Edition, revised and updated by Steven Sheehan. Viking, 1991.
The Craftsman's Handbook "Il Libro dell' Arte" Cennino d'Andrea Cennini, Translated by Daniel V. Thompson, Jr. Dover Publications, New York, 1954.
The Materials and Techniques of Medieval Painting, by Daniel V. Thompson. Dover Publications, New York, 1956.
Medieval Calligraphy It's History and Technique, by Marc Drogin, Dover Publications, New York, 1989.
Scribes and Illuminators (Medieval Craftsmen Series), by Christopher De Hamel. University of Toronto Press, Toronto, 1992.
Medieval Illuminators and Their Methods of Work, by Jonathan J.G. Alexander. Yale University Prese, New Haven and London, 1992.
Ornament in Medieval Manuscripts, by Lucia N. Valentine. Faber and Faber, London, 1965.
Understanding Illuminated Manuscripts, A Guide To Technical Terms, by Michelle P. Brown. The J. Paul Getty Museum in association with The British Library, 1994.
Writing and Illuminating and Lettering, by Edward Johnston. Pitman, London and Taplinger, New York, 1980; originally London, 1906.