By Andrew Sinclair
By Ian Harrison
By Peter Everett
By Ros Coward
By Bernard Lewis
By C. E. Guest
By Rupert Prior, Paul Day
By Jennie Bond
By Nick Lloyd
By Joanna Richardson
By Lesdley Blanch
By Andrew Marr
By Volker R. Berghahn, Martin Kitchen
By Pemberton, John E.
By Sturluson, Snorri, Palsson, HERMANN, Magnusson, Magnus
By Gill Knappett
By J.R Daeschner
By Benita Cullingford
By Jaume Aurell
By Scott James Whe, Eler
By Jilly Cooper
By Peter MacNab
By Geert Mak, Philip Blom
By D.G. Charlton
By Archibald, E.H.H.
By Macaulay, Baron Thomas Babington
By George Norman Clark