The National Gallery Techical Bulletin

The "National Gallery Technical Bulletin "is a unique record of research carried out at the National Gallery, London." "Drawing on the combined expertise of curators, conservators, and scientists, it brings together a wealth of information about artists' materials, practices, and techniques. "Volume 27" is a special edition dedicated to Renaissance Siena and Perugia from 1490 to 1510.
Contents of Volume 27:
The Master of the Story of Griselda and Paintings for Sienese Palaces; "The Madonna dei Loreto": An Altarpiece by Perugino for Santa Maria dei Servi, Perugia; Working with Perugino: The Technique of an "Annunciation" attributed to Giannicola di Paolo; Gilding and Illusion in the Painting of Bernardino Fungai.
Details of the contents of this and all volumes can be found at http: //www.nationalgallery.co.uk/technicalbulletin.