Jabarkan Galleri dari Cincin leher

Gold working in the Bronze Age British Isles

List of Bronze Age hoards in Britain

List of Iron Age hoards in Britain

"Treasures": Treasures of early Irish art, 1500 B.C. to 1500 A.D., an exhibition catalogue from The Metropolitan Museum of Art (fully available online as PDF), which contains material on torcs (cat. no. 4,6,8,10,14,15,21)

Taylor, Joan J., Bronze Age Goldwork of the British Isles, 1980, Cambridge University Press, google books

Wallace, Patrick F., O'Floinn, Raghnall eds. Treasures of the National Museum of Ireland: Irish Antiquities, 2002, Gill & Macmillan, Dublin, ISBN 0-7171-2829-6