Printed Materials
Part of a book
1.Will and Mary Osborn, Knights and castles, New York, Random House, 2000, 38-39:81, 88
2.Chistopher gravett, The Knights Handbook,New York, Cobblehill Books, 1997, 16-17:26
3.Andrew Langly, Medieval Life, New York, Alfred A. Knopf, 1996, 18-19
4.PhilipSteele,Knights,New York, King Fisher, 1998, 12,13,20,21,22,23,25
Printed Materials
Entire book
1.Fiona Macdonald and Mark Bergin, A Medieval Castle, New York,
Peter Bedrick Books, 1992