"The Holy Thorn Reliquary", 2010, British Museum Press (British Museum objects in focus), ISBN 0-7141-2820-1* Cook, R.M., "Greek Art", Penguin, 1986 (reprint of 1972), ISBN 0140218661* Dodwell, C. R., "Anglo-Saxon Art, A New Perspective", 1982, Manchester UP, ISBN 0-7190-0926-X* Frankfort, Henri, "The Art and Architecture of the Ancient Orient", Pelican History of Art, 4th ed 1970, Penguin (now Yale History of Art), ISBN 0140561072* Harle, J.C., "The Art and Architecture of the Indian Subcontinent", 2nd edn.
"The Holy Thorn Reliquary", 2010, British Museum Press (British Museum objects in focus), ISBN 0-7141-2820-1* Cook, R.M., "Greek Art", Penguin, 1986 (reprint of 1972), ISBN 0-14-021866-1* Dodwell, C. R. , "Anglo-Saxon Art, A New Perspective", 1982, Manchester UP, ISBN 0-7190-0926-X* Frankfort, Henri, "The Art and Architecture of the Ancient Orient", Pelican History of Art, 4th ed 1970, Penguin (now Yale History of Art), ISBN 0-14-056107-2* Harle, J.C. , "The Art and Architecture of the Indian Subcontinent", 2nd edn.