The Glass Beads Of Anglo-Saxon England, C.Ad 400-700: A Preliminary Visual Classification Of The More Definitive And Diagnostic Types (Reports Of The ... Of The Society Of Antiquaries Of London)
The World Market For Glass Beads And Microspheres Less Than 1 Mm Including Imitation Pearls And Precious Stones, Glass Eyes (Not Prosthetic), ... Than 1 Mm: A 2009 Global Trade Perspective