Marian Campbell, Medieval Jewellery  in Europe 1100-1500.  V & A Publishing, 2009.  ISBN:  978 851775 828  (Hardcover)

A beautiful book with chapters dealing with workmanship, style and fashion,  ecclesiastical jewellery, cultural contexts etc of medieval jewellery and profusley illustrated in colour.  There are photographs of jewellery from the Ricardian period, including the Middleham jewel as well as photographs of stained glass windows and paintings showing various types of jewellery.  Mary of Burgundy and Margaret of York are featured in this book.   A treasure to have!